Patent US1811241A successfully refreshed from Google Patents.
Patent US2888029A successfully refreshed from Google Patents.
US2888029A
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Hydraulic system for control of a valve and follow-up indicator
Assignee: JAROCO ENGINEERING Co
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Filing: 1956-05-23
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Granted: 1959-05-26
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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
2026-10-30 19:20
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/124; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6906; Y10T137/8158; Y10T137/8225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2189475A
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US2192963A
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US2253246A
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US2579840A
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US2480651A
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US2578959A
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US2679854A
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US2781744A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |