Patent US2908191A successfully refreshed from Google Patents.
US2908191A
Expired / Lapsed
US
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Speed reducer for motors
Assignee: Individual
•
Filing: 1955-01-27
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Granted: 1959-10-13
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Edward V Sundt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:02
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/32; F16H1/321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US544796A
Cited
US1316936A
Cited
CA504406A
Cited
US1561021A
Cited
US2378507A
Cited
US2379273A
Cited
US2528470A
Cited
US2699690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |