US2472452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air actuated clutch and brake device
Assignee: MINSTER MACHINE CO
•
Filing: 1945-04-09
•
Granted: 1949-06-07
•
Expires: 1965-04-09
Abstract
No abstract record available.
Inventors
- 👤 Reuben E Wissman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:34
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1474112A
Cited
US2009301A
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US2014683A
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US2089733A
Cited
US2159326A
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US2180218A
Cited
GB525124A
Cited
US2242396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |