US2479422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced multiple ram accumulator and intensifier
Assignee: MERCER TUBE AND Manufacturing Co
•
Filing: 1945-12-13
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Granted: 1949-08-16
•
Expires: 1965-12-13
Abstract
No abstract record available.
Inventors
- 👤 John E Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:03
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/045; F15B2201/00; F15B2201/20; F15B2201/21; F15B2201/215; F15B2201/30; F15B2201/305; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622655A
Cited
US2381664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |