Patent US2325714A successfully refreshed from Google Patents.
US2919718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure accumulator
Assignee: Individual
•
Filing: 1956-05-03
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Granted: 1960-01-05
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Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Mercier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/12; F15B1/14; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/3156; F15B2201/40; F15B2201/415; F15B2201/4155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE345957C
Cited
US2317395A
Cited
US2371632A
Cited
US2365063A
Cited
US2394401A
Cited
US2478575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |