US2444666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling device
Assignee: Individual
•
Filing: 1940-02-27
•
Granted: 1948-07-06
•
Expires: 1960-02-27
Abstract
No abstract record available.
Inventors
- 👤 Orain Francois Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:35
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/06; B60D1/065; F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0647; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902; Y10T403/00; Y10T403/29; Y10T403/297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |