Patent US2663288A successfully refreshed from Google Patents.
US2663288A
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Variable timing cam follower
Assignee: LOYD F ASHLEY
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Filing: 1952-09-02
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Granted: 1953-12-22
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Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 James R Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:42
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/34; F01L13/00; F01L13/0015; F01L13/0031; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421; Y10T137/86437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1509611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |