US2674356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air operated clutch-brake mechanism
Assignee: INDUSTRIAL CLUTCH CORP
•
Filing: 1950-09-06
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Granted: 1954-04-06
•
Expires: 1970-09-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Eason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:17
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/28; F16D55/30; F16D55/31; F16D67/00; F16D67/02; F16D67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039128A
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US2108059A
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US2221014A
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US2241242A
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US2252906A
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US2303201A
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US2472452A
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US2505600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |