US2838829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bearings
Assignee: TOEFCO ENGINEERING Co
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Filing: 1956-09-05
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Granted: 1958-06-17
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Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Robert V Goss
- 👤 Robert W Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:02
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/04; B22; B22F; B22F3/00; B22F3/24; B22F3/26; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C2220/00; F16C2220/20; F16C2223/00; F16C2223/02; F16C2223/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49702
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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |