Patent US3384113A successfully refreshed from Google Patents.
US3384113A
Expired / Lapsed
US
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Relief valve
Assignee: General Dynamics Corp
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Filing: 1965-11-03
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Granted: 1968-05-21
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Expires: 1985-11-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Pennisi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:34
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/145; F16K17/00; F16K17/02; F16K17/04; F16K17/0446; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316644A
Cited
CA545676A
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US2385513A
Cited
US2715980A
Cited
US3111271A
Cited
US3132836A
Cited
US3231149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |