Patent US2477447A successfully refreshed from Google Patents.
US2477447A
Expired / Lapsed
US
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Flexible coupling
Assignee: Individual
•
Filing: 1943-08-16
•
Granted: 1949-07-26
•
Expires: 1963-08-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Fawick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:22
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T403/00; Y10T403/40; Y10T403/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1760492A
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GB415122A
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US2089786A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |