US2763299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock installation tool
Assignee: HOLLYMADE HARDWARE Manufacturing Co
•
Filing: 1954-05-17
•
Granted: 1956-09-18
•
Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert C Cerf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:45
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; B23B47/287; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381351A
Cited
US1919900A
Cited
US2033072A
Cited
US2268930A
Cited
US2602238A
Cited
US2674280A
Cited
US2633040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |