US2710078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flex plate air brake
Assignee: CARDWELL Mfg CO Inc
•
Filing: 1951-05-17
•
Granted: 1955-06-07
•
Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 Harland W Cardwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:56
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/04; F16D55/06; F16D65/00; F16D65/78; F16D65/84; F16D65/847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777810A
Cited
US1972353A
Cited
FR728036A
Cited
US2040464A
Cited
US2064553A
Cited
US2174635A
Cited
US2199785A
Cited
US2381941A
Cited
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 |