Patent US2872149A successfully refreshed from Google Patents.
US2872149A
Expired / Lapsed
US
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Quick-acting release valve
Assignee: Infilco Inc
•
Filing: 1953-04-20
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Granted: 1959-02-03
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Everett M Battey
- 👤 Ilya S Livney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:03
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52408; F16K31/12; F16K31/126; F16K31/1262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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Cited
US2648490A
Cited
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Cited
US2570132A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |