Patent US1437833A successfully refreshed from Google Patents.
US1437833A
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Antifriction bearing
Assignee: Timken Co
•
Filing: 1919-01-24
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Granted: 1922-12-05
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Expires: 1939-01-24
Abstract
No abstract record available.
Inventors
- 👤 Tracy V Buckwalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:22
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C19/548; F16C35/00; F16C35/04; F16C35/06; F16C35/063; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/927; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49702
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) | 1925-12-04 | 1926-06-05 | 1926-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-04 | 1930-06-05 | 1930-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-04 | 1934-06-05 | 1934-12-05 | $7700.00 | Window Closed / Lapsed |