US3465778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined pressure control valve and pressure relief valve having a flat pressure-flow characteristic
Assignee: General Electric Co
•
Filing: 1966-08-08
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Granted: 1969-09-09
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Howard B Kast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:09
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/263; G; G05; G05D; G05D16/00; G05D16/028; G05D16/04; G05D16/10; G05D16/109; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2594; Y10T137/2597; Y10T137/7722; Y10T137/7738; Y10T137/7837; Y10T137/785; Y10T137/7852
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US867702A
Cited
US1029464A
Cited
US1754975A
Cited
US2665704A
Cited
US2980132A
Cited
US3027913A
Cited
US3199532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |