Patent US2546712A successfully refreshed from Google Patents.
US2546712A
Expired / Lapsed
US
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Sprag type synchronizer device
Assignee: International Motors LLC
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Filing: 1947-08-30
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Granted: 1951-03-27
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Expires: 1967-08-30
Abstract
No abstract record available.
Inventors
- 👤 Frank W Avila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:30
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1065635A
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US1542040A
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US1694377A
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FR637610A
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US2392762A
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US2299373A
Cited
US2342227A
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US2388424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |