US2697645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly
Assignee: Federal Mogul Engineering Ltd
•
Filing: 1952-07-18
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Granted: 1954-12-21
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 David C Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6696; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0618; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/128; F16N; F16N15/00; F16C2204/00; F16C2204/40; F16C2204/46; F16C2220/00; F16C2220/20; F16C2220/28; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/912; Y10S384/913; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49702; Y10T29/49705; Y10T29/49709; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223872A
Cited
US2266380A
Cited
US2335225A
Cited
GB555519A
Cited
US2344552A
Cited
US2591777A
Cited
US2622993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |