US3209637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboards and accessories
Assignee: Individual
•
Filing: 1961-06-05
•
Granted: 1965-10-05
•
Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Harold A Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:20
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/12; G10C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION WITH A KEYBOARD TYPE MUSICAL INSTRUMENT COMPRISING A PIANO TYPE MANULA, A TRANSPOSING DEVICE COMPRISING A PORTABLE ASSEMBLY OVERLYING SAID MANUAL, SAID ASSEMBLY COMPRISING A STATIONARY FRAME CARRYING A CHROMATIC SERIES OF TONE ACTUATORS AND HAVING A BASS-END PORTION, A TREBLE-END PORTION, AND AN INTERMEDIATE PORTION THEREBETWEEN, SAID INTERMEDIATE PORTION HAVING A DOWNWARDLY EXTENDING PARTITION IN CLOSE BUT FREE JUXTAPOSITION TO A SIDE SURFACE OF A KEY OF SAID MANUAL; AT LEAST TWELVE OF SAID TONE ACTUATORS BEING CARRIED IN SAID BASS-END PORTION, AT LEAST TWELVE OTHERS OF SAID TONE ACTUATORS BEING CARRIED IN SAID TREBLE-END PORTION, AND ADDITIONAL SAID TONE ACTUATORS BEING CARRIED IN SAID INTERMEDIATE PORTION; SAID DOWNWARDLY EXTENDING PARTITION SERVING, IN COOPERATION WITH SAID SIDE SURFACE, TO PREVENT ENDWARD DISPLACEMENT OF SAID STATIONARY FRAME DURING USE.
Claim 2
Dependent Claim
131 words
IN COMBINATION WITH A KEYBOARD TYPE MUSICAL INSTRUMENT COMPRISING A PIANO TYPE MANULA, A TRANSPOSING DEVICE COMPRISING A PORTABLE ASSEMBLY OVERLYING SAID MANUAL, SAID ASSEMBLY COMPRISING A STATIONARY FRAME CARRYING A CHROMATIC SERIES OF TONE ACTUATORS AND HAVING A BASS-END PORTION, A TREBLE-END PORTION, AND AN INTERMEDIATE PORTION THEREBETWEEN, SAID INTERMEDIATE PORTION HAVING A DOWNWARDLY EXTENDING PARTITION IN CLOSE BUT FREE JUXTAPOSITION TO A SIDE SURFACE OF A KEY OF SAID MANUAL; AT LEAST TWELVE OF SAID TONE ACTUATORS BEING CARRIED IN SAID BASS-END PORTION, AT LEAST TWELVE OTHERS OF SAID TONE ACTUATORS BEING CARRIED IN SAID TREBLE-END PORTION, AND ADDITIONAL SAID TONE ACTUATORS BEING CARRIED IN SAID INTERMEDIATE PORTION; SAID DOWNWARDLY EXTENDING PARTITION SERVING, IN COOPERATION WITH SAID SIDE SURFACE, TO PREVENT ENDWARD DISPLACEMENT OF SAID STATIONARY FRAME DURING USE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |