US2672158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid balanced valve
Assignee: Jamieson & Gabriel
•
Filing: 1947-08-27
•
Granted: 1954-03-16
•
Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
- 👤 David R Cormany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:00
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US265178A
Cited
US764661A
Cited
US802330A
Cited
GB190909327A
Cited
US1100320A
Cited
US1772406A
Cited
US2032302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |