US2515799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient diaphragm engine bearing
Assignee: Individual
•
Filing: 1945-02-08
•
Granted: 1950-07-18
•
Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Rouy Auguste Louis Mar Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:01
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/02; F16C9/00; F16C9/02; F16C2360/00; F16C2360/22; Y; Y10; Y10T; Y10T403/00; Y10T403/40; Y10T403/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731958A
Cited
US1445821A
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US1923892A
Cited
US2030193A
Cited
US1993350A
Cited
US2159545A
Cited
US2213302A
Cited
US2256783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |