GB231523A - - Google Patents
Info
- Publication number
- GB231523A GB231523A GB8366/25A GB836625A GB231523A GB 231523 A GB231523 A GB 231523A GB 8366/25 A GB8366/25 A GB 8366/25A GB 836625 A GB836625 A GB 836625A GB 231523 A GB231523 A GB 231523A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- plate
- tune
- keys
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920002160 Celluloid Polymers 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F3/00—Independent players for keyboard instruments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
- Stringed Musical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1643562X | 1924-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB231523A true GB231523A (enrdf_load_stackoverflow) | 1925-10-01 |
Family
ID=7738014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8366/25A Expired GB231523A (enrdf_load_stackoverflow) | 1924-03-29 | 1925-03-28 |
Country Status (4)
Country | Link |
---|---|
US (1) | US1643562A (enrdf_load_stackoverflow) |
FR (1) | FR595908A (enrdf_load_stackoverflow) |
GB (1) | GB231523A (enrdf_load_stackoverflow) |
NL (1) | NL20589C (enrdf_load_stackoverflow) |
-
0
- NL NL20589D patent/NL20589C/xx active
-
1925
- 1925-03-28 FR FR595908D patent/FR595908A/fr not_active Expired
- 1925-03-28 GB GB8366/25A patent/GB231523A/en not_active Expired
- 1925-04-01 US US19932A patent/US1643562A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL20589C (enrdf_load_stackoverflow) | |
US1643562A (en) | 1927-09-27 |
FR595908A (fr) | 1925-10-12 |
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