Patent US2688740A successfully refreshed from Google Patents.
US2603327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap actuator for clutches
Assignee: —
•
Filing: —
•
Granted: 1952-07-15
•
Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16H; F16H35/00; F16H35/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1773699A
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US1813801A
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US2080079A
Cited
US2092580A
Cited
US2118792A
Cited
US2100464A
Cited
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Cited
US2211191A
Cited
US2413675A
Cited
US2380677A
Cited
US2356598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |