US2635484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crank assembly
Assignee: Individual
•
Filing: 1948-09-20
•
Granted: 1953-04-21
•
Expires: 1968-09-20
Abstract
No abstract record available.
Inventors
- 👤 George F Karow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:01
CPC Classifications
F; F16; F16H; F16H23/00; F16H23/04; F16H23/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336; Y10T74/21; Y10T74/2173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316679A
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US1204892A
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US1543113A
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US1392389A
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US1799167A
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US1732659A
Cited
US1997279A
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US2104391A
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US2081157A
Cited
US2215086A
Cited
US2182213A
Cited
US2247527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |