Patent US2773532A successfully refreshed from Google Patents.
Patent US3120146A successfully refreshed from Google Patents.
US3120146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument key
Assignee: PRATT READ AND CO Inc
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Filing: 1961-06-02
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Granted: 1964-02-04
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Stiles Gene Aubrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
IN A MUSICAL INSTRUMENT KEYBOARD, A KEY ASSEMBLY INCLUDING AN ELONGATED WOODEN SHANK PORTION OF SUBSTANTIALLY RECTANGULAR CROSS SECTION, A MOLDED PLASTIC FRONT PORTION FORMED WITH A TOP AND A TRANSVERSE RIB AND TWO SIDE WALLS EXTENDING DOWNWARDLY THEREFROM, AN OUTWARDLY EXTENDING FLANGE FORMED ON SAID TRANSVERSE RIB SPACED FROM SAID TOP OF SAID FRONT PORTION, SAID SHANK PORTION HAVING A NOTCH TO RECEIVE SAID FLANGE WHEN SAID FRONT PORTION IS MOUNTED UPON SAID SHANK PORTION, AND SCREW MEANS DISPOSED THROUGH SAID TOP OF SAID FRONT PORTION AND INTO SAID WOODEN SHANK PORTION AND COOPERATING WITH SAID FLANGE TO HOLD SAID FRONT PORTION ASSEMBLED TO SAID SHANK PORTION.
References Cited (Backward Citations)
US2844065A
Cited
US2832251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |