US2969133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload clutch
Assignee: WILHELM SIHN JR
•
Filing: 1958-10-22
•
Granted: 1961-01-24
•
Expires: 1978-10-22
Abstract
No abstract record available.
Inventors
- 👤 Langheck Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:31
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2490172A
Cited
US2819635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |