US2918085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for valves
Assignee: JAROCO ENGINEERING Co
•
Filing: 1956-05-23
•
Granted: 1959-12-22
•
Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Roy H Govan
- 👤 Harold J Meek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:03
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/1221; Y; Y10; Y10S; Y10S60/00; Y10S60/907; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US899029A
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US915204A
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US957511A
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US1341319A
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US2088261A
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US2060723A
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US2243074A
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US2313438A
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US2627249A
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US2598258A
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US2750862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |