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US2956451A
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Planetary gear-type speed reducer
Assignee: Individual
•
Filing: 1959-02-17
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Granted: 1960-10-18
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Bowman Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/021; F16H57/022; F16H1/00; F16H1/28; F16H1/2809; F16H1/46; F16H2057/02039; F16H2057/02069; F16H2057/02073; F16H57/023; F16H2057/0235; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925943A
Cited
US2498828A
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US2591743A
Cited
US2625047A
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US2737064A
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US2690685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |