US2747370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure device
Assignee: Individual
•
Filing: 1952-01-15
•
Granted: 1956-05-29
•
Expires: 1972-01-15
Abstract
No abstract record available.
Inventors
- 👤 William A Traut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:44
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/24; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/31; F15B2201/312; F15B2201/40; F15B2201/41; F15B2201/415; F15B2201/4155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB105053A
Cited
FR522124A
Cited
US2283516A
Cited
US2406197A
Cited
US2443615A
Cited
US2516667A
Cited
US2440065A
Cited
US2618478A
Cited
US2554807A
Cited
US2583215A
Cited
US2581856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |