Patent US2630834A successfully refreshed from Google Patents.
US2630834A
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Pressure accumulator
Assignee: SIMONE MERCIER
•
Filing: 1948-03-30
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Granted: 1953-03-10
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Expires: 1968-03-30
Abstract
No abstract record available.
Inventors
- 👤 Isaac E Weber
- 👤 Blumenfeld Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:18
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/18; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/3156; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/415; F15B2201/4155; F15B2201/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2331921A
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US2342356A
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US2256835A
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US2387598A
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US2385016A
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US2399444A
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US2390319A
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US2401791A
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US2401792A
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US2389791A
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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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |