Patent US2453383A successfully refreshed from Google Patents.
US2453383A
Expired / Lapsed
US
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Flexible coupling
Assignee: Individual
•
Filing: 1943-09-04
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Granted: 1948-11-09
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Expires: 1963-09-04
Abstract
No abstract record available.
Inventors
- 👤 Rathman Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SE66327C1
Cited
US333983A
Cited
US1264742A
Cited
US1642907A
Cited
US1675760A
Cited
US1760492A
Cited
FR771366A
Cited
AU2502235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |