US3084710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief valve
Assignee: Individual
•
Filing: 1959-12-14
•
Granted: 1963-04-09
•
Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 John T Gondek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K47/00; F16K47/01; F16K47/011; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/7929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US306385A
Cited
US2704549A
Cited
US1643305A
Cited
US2411930A
Cited
CH277107A
Cited
GB723375A
Cited
US2931305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |