US2513455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for discharging fluid at ambient temperature and a selected pressure, using a gas condensable at said temperature and pressure and acting on a flexible wall contacting said fluid
Assignee: Individual
•
Filing: 1946-02-11
•
Granted: 1950-07-04
•
Expires: 1966-02-11
Abstract
No abstract record available.
Inventors
- 👤 Richard T Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US382610A
Cited
US1001805A
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US1207393A
Cited
US1716981A
Cited
US1990499A
Cited
US1939611A
Cited
GB436583A
Cited
US2387598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |