Patent US2554969A successfully refreshed from Google Patents.
US2554969A
Expired / Lapsed
US
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Overload release mechanism
Assignee: AMERICAN PULLEY Co
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Filing: 1948-03-26
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Granted: 1951-05-29
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Expires: 1968-03-26
Abstract
No abstract record available.
Inventors
- 👤 William A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:51
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772568A
Cited
US1815345A
Cited
US2152517A
Cited
US2132951A
Cited
US2046283A
Cited
US2116166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |