US2943792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure balanced valve structure
Assignee: Individual
•
Filing: 1956-11-13
•
Granted: 1960-07-05
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Moen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:35
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/022; F16K11/00; F16K11/02; F16K11/04; F16K11/056; F16K11/0565; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86549; Y10T137/87056; Y10T137/87072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320944A
Cited
US2516996A
Cited
US2609206A
Cited
US2692114A
Cited
US2670901A
Cited
GB746663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |