Patent US4412617A successfully refreshed from Google Patents.
US2761331A
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Load operating device with automatic declutching mechanism
Assignee: General Controls Co
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Filing: 1952-05-17
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Granted: 1956-09-04
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Expires: 1972-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wilbert C Buescher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:02
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D71/00; F16K; F16K31/00; F16K31/02; F16K31/04; F16K31/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |