US2549748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed responsive coupling
Assignee: Bendix Aviation Corp
•
Filing: 1945-05-07
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Granted: 1951-04-17
•
Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 Rolland M Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:45
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/10; F16D43/00; F16D43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US763131A
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US1017212A
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US1202463A
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US1235129A
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US1388743A
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US1427847A
Cited
US1674176A
Cited
GB294386A
Cited
US1729030A
Cited
US2225383A
Cited
US2391525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |