Patent US2882007A successfully refreshed from Google Patents.
US2882007A
Expired / Lapsed
US
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Fluid pressure operated valve
Assignee: Individual
•
Filing: 1952-11-18
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Granted: 1959-04-14
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Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Conlan John Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:54
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1575771A
Cited
US1842337A
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US2119317A
Cited
US2288642A
Cited
US2495081A
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US2573408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |