US2770977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt transmissions
Assignee: Continental AG
•
Filing: 1953-11-27
•
Granted: 1956-11-20
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Beckadolph Richard
- 👤 Hannover Grasdorf
- 👤 Niclas Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
F; F16; F16G; F16G1/00; F16G1/28; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE302747C
Cited
US207626A
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US1456458A
Cited
US1840081A
Cited
US1805442A
Cited
GB453999A
Cited
US2471969A
Cited
US2397312A
Cited
US2534679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |