US2578797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid valve
Assignee: ECONOMY FAUCET Co
•
Filing: 1947-10-08
•
Granted: 1951-12-18
•
Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Gordinier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:40
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US344171A
Cited
US1954662A
Cited
US2067445A
Cited
US2087223A
Cited
US2164927A
Cited
US2281737A
Cited
US2408541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |