US2086501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch control mechanisms
Assignee: Hill Engineering Corp
•
Filing: 1934-08-10
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Granted: 1937-07-06
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Expires: 1954-08-10
Abstract
No abstract record available.
Inventors
- 👤 Edward G Hill
- 👤 Henry W Hey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:40
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/06; F16D2500/00; F16D2500/10; F16D2500/104; F16D2500/10406; F16D2500/10412; F16D2500/30; F16D2500/314; F16D2500/31406; F16D2500/3144; F16D2500/3146; F16D2500/50; F16D2500/502; F16D2500/50239; F16D2500/504; F16D2500/5045; F16D2500/52; F16D2500/525; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/7041; F16D2500/70414
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) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |