US3377681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a bearing
Assignee: Lear Siegler Inc
•
Filing: 1965-06-11
•
Granted: 1968-04-16
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 William A Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:19
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/4965; Y10T29/49652; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126613A
Cited
US3049800A
Cited
US2995813A
Cited
US3068552A
Cited
US3303557A
Cited
US3191265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |