US2537629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction device
Assignee: Bridgestone Firestone Inc
•
Filing: 1942-10-14
•
Granted: 1951-01-09
•
Expires: 1962-10-14
Abstract
No abstract record available.
Inventors
- 👤 Roy W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0604; F16C11/0619; F16C11/0623; F16C11/0652; F16C11/0661; F16C11/0666; F16C11/068; F16C11/0685; F16C11/08; F16C11/083; C; C10; C10M; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10N; C10N2010/00; C10N2010/06; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; F16C2202/00; F16C2202/50; F16C2202/52; F16C2208/00; F16C2208/10; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32713
Claims Analysis
Total Claims: 0
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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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |