Patent US2634814A successfully refreshed from Google Patents.
US2634814A
Expired / Lapsed
US
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Stored pressure fluid medium container closure
Assignee: CO Two Fire Equipment Co
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Filing: 1950-01-31
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Granted: 1953-04-14
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Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Scott E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/66; A62C13/70; F; F16; F16K; F16K13/00; F16K13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015987A
Cited
US2077872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |