Patent US3560709A successfully refreshed from Google Patents.
Patent US1799447A successfully refreshed from Google Patents.
US1799447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split roller bearing
Assignee: HAROLD J CLARK
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Filing: 1927-02-03
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Granted: 1931-04-07
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Expires: 1947-02-03
Abstract
No abstract record available.
Inventors
- 👤 George W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:28
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C33/34; F16C33/36; F16C33/46; F16C33/50; F16C2240/00; F16C2240/30
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) | 1934-04-06 | 1934-10-06 | 1935-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-06 | 1938-10-06 | 1939-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-06 | 1942-10-06 | 1943-04-07 | $7700.00 | Window Closed / Lapsed |