US2710087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air operated friction clutch
Assignee: National Supply Co
•
Filing: 1949-12-27
•
Granted: 1955-06-07
•
Expires: 1969-12-27
Abstract
No abstract record available.
Inventors
- 👤 John B Picard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:36
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/04; F16D25/042; F16D25/046; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44239; Y10T24/44641; Y10T24/44684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB593078A
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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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |