Patent US2451992A successfully refreshed from Google Patents.
Patent US2120384A successfully refreshed from Google Patents.
US2120384A
Expired / Lapsed
US
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Yieldable clutching means
Assignee: GEORGE LOVEQUEST
•
Filing: 1934-05-23
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Granted: 1938-06-14
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Expires: 1954-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wohlfeld Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:42
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |