US2923314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank filling valve with pressure surge control
Assignee: Parker Hannifin Corp
•
Filing: 1955-09-26
•
Granted: 1960-02-02
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Everett H Badger
- 👤 Albert W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:20
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/02; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/4343; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7404; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1056562A
Cited
US2224394A
Cited
US2250767A
Cited
US2576516A
Cited
US2619108A
Cited
US2707965A
Cited
US2712828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |