Patent US2274779A successfully refreshed from Google Patents.
US2274779A
Expired / Lapsed
US
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Bearing structure
Assignee: Individual
•
Filing: 1939-06-06
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Granted: 1942-03-03
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Expires: 1959-06-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:30
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; F16C43/06; B; B60; B60B; B60B37/00; B60B37/10; F16C33/00; F16C33/72; F16C33/76; F16C33/767; F16C2240/00; F16C2240/40; F16C2240/70; F16C2240/80; F16C2240/82; F16C2240/84
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) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |