US2592613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-compensating accumulator
Assignee: SNYDER OIL TOOL Corp
•
Filing: 1947-06-07
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Granted: 1952-04-15
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Expires: 1967-06-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:28
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/24; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/21; F15B2201/30; F15B2201/31; F15B2201/312; F15B2201/315; F15B2201/3151; F15B2201/3152; F15B2201/32; F15B2201/40; F15B2201/41; F15B2201/411; F15B2201/413; F15B2201/415; F15B2201/4155; F15B2201/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |