US3371398A
Expired / Lapsed
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Method of making plain spherical bearings
Assignee: Torrington Co Ltd
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Filing: 1965-08-03
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Granted: 1968-03-05
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Francis G Patterson
- 👤 Ronald E Restelli
- 👤 Warren A Rival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:37
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/06; F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C43/00; F16C43/02; F16C2220/00; F16C2220/60; F16C2220/70; F16C2223/00; F16C2223/02; F16C2223/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/4965; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49908; Y10T29/49938
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |