Patent US1795992A successfully refreshed from Google Patents.
US1795992A
Expired / Lapsed
US
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Roller bearing
Assignee: Individual
•
Filing: 1928-11-01
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Granted: 1931-03-10
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Expires: 1948-11-01
Abstract
No abstract record available.
Inventors
- 👤 George F Blume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/38; B; B61; B61F; B61F15/00; B61F15/12; B61F15/14; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/077; F16C2326/00; F16C2326/10
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) | 1934-03-09 | 1934-09-08 | 1935-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-09 | 1938-09-08 | 1939-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-09 | 1942-09-08 | 1943-03-10 | $7700.00 | Window Closed / Lapsed |