US2888029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for control of a valve and follow-up indicator
Assignee: JAROCO ENGINEERING Co
•
Filing: 1956-05-23
•
Granted: 1959-05-26
•
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 14:34
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE42601C
Cited
US322114A
Cited
US1492856A
Cited
US2189475A
Cited
US2192963A
Cited
US2253246A
Cited
US2579840A
Cited
US2480651A
Cited
US2578959A
Cited
US2679854A
Cited
US2781744A
Cited
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 |