US2657591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmitting mechanism
Assignee: Individual
•
Filing: 1950-04-13
•
Granted: 1953-11-03
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Kaelin Henry Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:24
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/039; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H57/025; F16H2057/02034; F16H2057/02039; F16H2057/02069; F16H2057/02073; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19502; Y10T74/19512; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2006172A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |