Patent US2772930A successfully refreshed from Google Patents.
US2772930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings
Assignee: Individual
•
Filing: 1952-07-23
•
Granted: 1956-12-04
•
Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Sr Otto Schubert
- 👤 Jr Otto Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA462730A
Cited
US1880987A
Cited
US2219054A
Cited
US2277167A
Cited
US2494023A
Cited
US2459598A
Cited
US2635929A
Cited
US2456995A
Cited
US2534408A
Cited
US2610959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |