US2377681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bearings
Assignee: Motors Liquidation Co
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Filing: 1943-05-20
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Granted: 1945-06-05
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Expires: 1963-05-20
Abstract
No abstract record available.
Inventors
- 👤 Eugene B Etchells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:48
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/04; B21K25/00; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C2220/00; F16C2220/40; F16C2220/44; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/32; F16C2223/70; F16C2226/00; F16C2226/10; F16C2226/12; F16C2226/30; F16C2226/32; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49671; Y10T29/49673; Y10T29/49675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-06-04 | 1948-12-04 | 1949-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-04 | 1952-12-04 | 1953-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-04 | 1956-12-04 | 1957-06-05 | $7700.00 | Window Closed / Lapsed |