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Patents Acquired from 1875 to 1899
| Application |
Inventor(s) |
Title; Invention Claimed;
Concordance |
Letters Patent |
| File Date |
Number |
|
|
Grant Date |
Number |
May 15, 1875
|
---
|
Albert Steinway
|
"Improvement in Piano Attachments"; sostenuto mechanism of 156,388
adapted for grand pianos
|
Jun 01, 1875
|
164,052
|
| May 15, 1875 |
--- |
Albert Steinway |
"Improvement in Piano Attachments"; sostenuto mechanism of 156,388
adapted for upright pianos |
Jun 01, 1875 |
164,053 |
| May 15, 1875 |
--- |
Albert Steinway |
"Improvement in Piano Attachments"; sostenuto mechanism of 156,388
adapted for square pianos |
Jun 01, 1875 |
164,054 |
| Oct 29, 1875 |
--- |
C.F. Theodor Steinway |
"Design for Metal Frame in Pianos"; plate design for centennial
grand piano |
Nov 09, 1875 |
Des. 8,782 |
| Oct 20, 1875 |
--- |
C.F. Theodor Steinway |
"Improvement in Grand Piano-Forte Actions"; adjustable capstan
for grand piano action |
Nov 30, 1875 |
170,645 |
| Oct 20, 1875 |
--- |
C.F. Theodor Steinway |
"Improvement in Agraffes for Piano- Fortes"; capo tasto agraffe
for grand piano |
Nov 30, 1875 |
170,646 |
| Oct 20, 1875 |
--- |
C.F. Theodor Steinway |
"Improvement in Metal Frames for Piano-Fortes"; cast iron frame
for centennial grand piano |
Nov 30, 1875 |
170,647 |
| May 13, 1876 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Fortes"; nose bolt having removable nut |
Jun 13, 1876 |
178,565 |
| July 22, 1876 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano Sound-Boards"; soundboard bind bar |
Aug 01, 1876 |
180,671 |
| Apr 25, 1877 |
--- |
Albert Steinway |
"Improvement in Piano-Forte Attachments"; mechanism for disengaging
the action from the keys to produce a silent keyboard |
May 08, 1877 |
190,639 |
| Oct 26, 1877 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Action Frames"; reissue of 81,306; see Re.
9,012 |
Nov 13, 1877 |
Re. 7,950 |
| Mar 20, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Grand Piano-Fortes"; grand piano case construction;
corresponds in part to Ger. 4,372 |
May 21, 1878 |
204,106 |
| Mar 20, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Forte Actions"; double key for upright piano;
corresponds in part to Ger. 4,435 |
May 21, 1878 |
204,107 |
| Mar 01, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Fortes"; screwed-on tasto bar for upright
piano; corresponds in part to Ger. 4,435 |
May 21, 1878 |
204,108 |
| Mar 01, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Forte Agraffes"; agraffe cast or stamped
out with a flat notched head and tapered square stem |
May 21, 1878 |
204,109 |
| Mar 20, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Sounding-Boards for Piano-Fortes"; soundboard
sustaining bar arranged cross-wise in relation to the ribs; corresponds
in part to Ger. 4,372 |
May 21, 1878 |
204,110 |
| Mar 01, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Capodastro-Frames for Piano-Fortes"; duplex capo
tasto bar for upright piano; corresponds in part to Ger. 4,435 |
May 21, 1878 |
204,111 |
| Jun 20, 1878 |
--- |
C.F. Theodor Steinway |
"Design for a Piano"; grand piano case design |
Jul 02, 1878 |
Des. 10,740 |
| Jun 20, 1878 |
--- |
C.F. Theodor Steinway |
"Design for an Upright Piano-Forte Case"; upright piano case design |
Jul 02, 1878 |
Des. 10,741 |
| Jun 05, 1878 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Forte Repeating- Actions"; repetition hammer-butt
to produce continuous escapement for upright pianos; corresponds in part
to Ger. 4,435 |
Jul 02, 1878 |
205,696 |
| Jul 17, 1878 |
--- |
C.F. Theodor Steinway |
"Innovations in the Construction of Pianofortes, Especially of Grand
Pianos"; grand piano case construction; corresponds to 204,106 and
204,110 |
Mar 20, 1879 |
Ger. 4,372 |
| Jul 17, 1878 |
--- |
C.F. Theodor Steinway |
"Innovations in Upright Pianofortes"; upright piano capo tasto
bar construction; corresponds to 204,107; 204,108; 204,111; and 205,696 |
Mar 26, 1879 |
Ger. 4,435 |
| May 14, 1879 |
--- |
C.F. Theodor Steinway |
"Improvement in Devices for Leveling the Key-Frames of Piano-Fortes";
keyframe regulating mechanism |
Jul 22, 1879 |
217,828 |
| Jul 10, 1879 |
--- |
C.F. Theodor Steinway |
"Improvement in Devices for Adjusting Piano-Forte-Action Frames";
mechanism in combination with the key-block for adjusting the hammer strike-point
on the strings |
Sep 02, 1879 |
219,323 |
| Oct 21, 1879 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Action Frames"; reissue of 81,306 and 7,950 |
Dec 30, 1879 |
Re. 9,012 |
| Oct 29, 1879 |
--- |
C.F. Theodor Steinway |
"Improvement in Piano-Forte Actions"; reissue of 93,647 |
Dec 30, 1879 |
Re. 9,013 |
| Jan 14, 1880 |
--- |
C.F. Theodor Steinway |
"Piano-Action and Action-Frame"; action and action frame for upright
piano |
Apr 13, 1880 |
226,462 |
| Mar 10, 1880 |
--- |
C.F. Theodor Steinway |
"Screw-Clamp for Wood-Bending Machines" |
Jun 22, 1880 |
229,198 |
| Mar 22, 1880 |
--- |
C.F. Theodor Steinway |
"Design for a Piano-Forte Case"; upright piano case design |
Jul 06, 1880 |
Des. 11,856 |
| Mar 19, 1880 |
--- |
C.F. Theodor Steinway |
"Upright Piano-Forte"; wooden frame and cast iron plate for upright
piano |
Jul 20, 1880 |
230,354 |
| Mar 10, 1880 |
--- |
C.F. Theodor Steinway |
"Piano-Forte Hammer"; hammer having compressing-ligature extending
transversely through the wider portion of the felt body and tightly strained |
Aug 24, 1880 |
231,629 |
| Apr 12, 1880 |
--- |
C.F. Theodor Steinway |
"Piano-Forte Hammer"; felt-covered hammer head having hardened
portion below the nose |
Aug 24, 1880 |
231,630 |
| May 14, 1880 |
--- |
C.F. Theodor Steinway |
"Key-Frame Bed for Piano-Fortes"; key- frame bed constructed of
narrow, longitudinal wooden strips to prevent the bed from acting as a sounding
board |
Oct 05, 1880 |
232,857 |
| May 13, 1880 |
--- |
C.F. Theodor Steinway |
"Piano Sounding-Board Bridge;" laminated soundboard bridge constructed
of alternating layers of hardwood (e.g. maple) and softwood (e.g. pine) |
Oct 26, 1880 |
233,710 |
| Jun 17, 1880 |
--- |
C.F. Theodor Steinway |
"Piano-Forte"; reissue of 127,383 |
Oct 26, 1880 |
Re. 9,431 |
| Jul 15, 1882 |
--- |
C.F. Theodor Steinway |
"Piano-Action"; grand piano action with support spring to lessen
the weight on the inner ends of the keys |
Jan 23, 1883 |
270,914 |
| Mar 26, 1884 |
--- |
C.F. Theodor Steinway |
"Piano-Frame"; treble bell for grand piano |
Mar 31, 1885 |
314,740 |
| Mar 26, 1884 |
--- |
C.F. Theodor Steinway |
"Piano-Pedal"; anti-friction trap work to prevent creaking noise
from pedals |
Mar 31, 1885 |
314,741 |
| Apr 11, 1884 |
--- |
C.F. Theodor Steinway |
"Piano-Frame"; case construction and double cupola plate for grand
piano |
Mar 31, 1885 |
314,742 |
| Mar 26, 1884 |
--- |
C.F. Theodor Steinway |
"Panel for Upright Pianos"; desk panel for upright piano |
Apr 07, 1885 |
315,447 |
| Jul 27, 1887 |
245,412 |
Henry Ziegler |
"Music Rack Attachment for Upright Pianos" |
Feb 28, 1888 |
378,486 |
| Mar 08, 1889 |
302,529 |
Henry Ziegler |
"Music Rack Attachment for Upright Pianos" |
Aug 13, 1889 |
408,868 |
| Apr 22, 1893 |
471,439 |
Henry Ziegler |
"String-Frame for Upright Pianos"; plate for upright piano having
a scale-rib extending from the treble to the base of the plate and strengthening
brace ribs extending from the bottom of the plate across the scale-rib to
the top of the plate |
Nov 21, 1893 |
509,110 |
| Jul 15, 1893 |
480,581 |
Henry Ziegler |
"Upright Piano"; plate for upright piano provided with a scale-rib
and brace-ribs extending across the scale-rib |
Nov 21, 1893 |
509,111 |
| Sep 25, 1894 |
524,078 |
Henry Ziegler |
"Upright Piano"; plate with backwardly- extending lugs overlapping
top portion of main frame and suspended pin block; corresponds to Ger. 90,821 |
Jan 08, 1895 |
532,257 |
| Jan 08, 1895 |
--- |
Henry Ziegler |
"Pianino With Isolated Pin Block"; plate with backwardly-extending
lugs overlapping top portion of main frame and suspended pin block; corresponds
to 532,257 |
Mar 08, 1897 |
Ger. 90,821 |
Dec 09, 1896
Aug 18, 1897 |
648,721 |
Henry Ziegler |
"Sounding-Board Support for Pianos"; upright piano soundboard
support |
Nov 02, 1897 |
593,039 |
| Feb 12, 1898 |
670,053 |
Henry Ziegler |
"Sounding-Board Support"; upright piano soundboard support |
Oct 11, 1898 |
612,222 |
| Mar 18, 1899 |
709,622 |
Henry Ziegler |
"Piano"; plate nose for grand piano |
Oct 03, 1899 |
634,282 |
| |
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