US3205754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Becwar keys
Assignee: —
•
Filing: —
•
Granted: 1965-09-14
•
Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:20
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/12; G10C3/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A KEY ASSEMBLY FOR USE IN A KEYBOARD OF THE ORGAN OR PIANO TYPE, SAID ASSEMBLY COMPRISING (A) AN ELONGATED MOUNTING STRIP HAVING A MOLDED PLASTIC BODY PORTION, (B) A PLURALITY OF KEYS, (C) EACH OF SAID KEYS HAVING (1) A FRONT END PORTION, AND (2) A REAR END PORTION, (D) SAID REAR END PORTIONS (1) BEING OF INTEGRAL FORMATION WITH SAID BODY PORTION, AND (2) PROJECTING SUBSTANTIALLY HORIZONTALLY FORWARDLY FROM SAID BODY PORTION, (E) THE JUNCTIONS BETWEEN SAID REAR END PORTIONS AND SAID MOUNTING STRIP HAVING DOWNWARDLY OPENING NOTCHES DISPOSED IN THE LOWER PORTION THEREOF, AND (F) SAID KEYS BEING PIVOTABLE AROUND SAID JUNCTIONS DOWNWARDLY FROM AND UPWARDLY TOWARD A NORMAL, ATREST POSITION OF SAID KEYS TO THEREBY CLOSE AND OPEN SAID NOTCHES, RESPECTIVELY.
Claim 2
Dependent Claim
125 words
A KEY ASSEMBLY FOR USE IN A KEYBOARD OF THE ORGAN OR PIANO TYPE, SAID ASSEMBLY COMPRISING (A) AN ELONGATED MOUNTING STRIP HAVING A MOLDED PLASTIC BODY PORTION, (B) A PLURALITY OF KEYS, (C) EACH OF SAID KEYS HAVING (1) A FRONT END PORTION, AND (2) A REAR END PORTION, (D) SAID REAR END PORTIONS (1) BEING OF INTEGRAL FORMATION WITH SAID BODY PORTION, AND (2) PROJECTING SUBSTANTIALLY HORIZONTALLY FORWARDLY FROM SAID BODY PORTION, (E) THE JUNCTIONS BETWEEN SAID REAR END PORTIONS AND SAID MOUNTING STRIP HAVING DOWNWARDLY OPENING NOTCHES DISPOSED IN THE LOWER PORTION THEREOF, AND (F) SAID KEYS BEING PIVOTABLE AROUND SAID JUNCTIONS DOWNWARDLY FROM AND UPWARDLY TOWARD A NORMAL, ATREST POSITION OF SAID KEYS TO THEREBY CLOSE AND OPEN SAID NOTCHES, RESPECTIVELY.
References Cited (Backward Citations)
US2514978A
Cited
US1840712A
Cited
US2470659A
Cited
US2584319A
Cited
US2612812A
Cited
US2844065A
Cited
US2931877A
Cited
US3110211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |