Patent US3006447A successfully refreshed from Google Patents.
US3006447A
Expired / Lapsed
US
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Sprag clutch bearing
Assignee: Marlin Rockwell Corp
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Filing: 1958-04-15
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Granted: 1961-10-31
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Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:49
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/34; F16C33/36; F16C19/00; F16C19/54; F16C19/55; F16C33/38; F16C33/3837; F16C33/3862; F16C41/00; F16C41/001; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810283A
Cited
GB412898A
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US2113722A
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US2154212A
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US2412803A
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US2423178A
Cited
US2520004A
Cited
US2685944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |