US2573135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple clutch mechanism
Assignee: Transmission & Gear Co
•
Filing: 1947-11-07
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Granted: 1951-10-30
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Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Gerst Chris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/02; F; F16; F16D; F16D21/00; F16D21/02; F16D21/06; F16D2021/0684; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743460A
Cited
US1845332A
Cited
GB432287A
Cited
US2379023A
Cited
US2396456A
Cited
US2488540A
Cited
US2472750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |