US2708993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated cldutch
Assignee: Niagara Machine and Tool Works
•
Filing: 1950-04-08
•
Granted: 1955-05-24
•
Expires: 1970-04-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Munschauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:44
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/06; F16D25/061; F16D11/00; F16D11/08; F16D11/10; F16D2011/008
Claims Analysis
Total Claims: 0
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US2548268A
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US2620054A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |