Patent US2844612A successfully refreshed from Google Patents.
Patent US2032491A successfully refreshed from Google Patents.
US2032491A
Expired / Lapsed
US
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Retaining ring attachment for shafts
Assignee: Timken Co
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Filing: 1933-06-14
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Granted: 1936-03-03
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Expires: 1953-06-14
Abstract
No abstract record available.
Inventors
- 👤 Moreland Stephen Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:56
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16C3/00; F16C3/02; F16B; F16B2200/00; F16B2200/40; F16B2200/406; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018
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) | 1939-03-03 | 1939-09-02 | 1940-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-03 | 1943-09-02 | 1944-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-03 | 1947-09-02 | 1948-03-03 | $7700.00 | Window Closed / Lapsed |