US2694479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal clutch
Assignee: Individual
•
Filing: 1950-01-11
•
Granted: 1954-11-16
•
Expires: 1970-01-11
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Newgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:12
CPC Classifications
B; B62; B62M; B62M25/00; F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16H61/00; F16H61/02; F16H61/0293; F16H61/0295; F16H2718/00; F16H2718/08; F16H2718/10; F16H2718/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311236A
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US1032524A
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US1279906A
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US1379265A
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US1623862A
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US1797826A
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US1736680A
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US1926483A
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US2042861A
Cited
US2174835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |