US2865225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural selective position cam actuator for valves
Assignee: KNAPPMONARCH Co
•
Filing: 1954-12-20
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Granted: 1958-12-23
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Expires: 1974-12-20
Abstract
No abstract record available.
Inventors
- 👤 Russell I Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52408; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5283; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T74/18992; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1782020A
Cited
US1945715A
Cited
US2538787A
Cited
US2607581A
Cited
US2630018A
Cited
US2710547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |