US2525313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer valve
Assignee: Individual
•
Filing: 1947-04-16
•
Granted: 1950-10-10
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Stephen R Putnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:09
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US874737A
Cited
US963221A
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US1095003A
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US1280616A
Cited
US1517956A
Cited
US2040663A
Cited
US2075917A
Cited
US2205684A
Cited
US2409765A
Cited
US2451162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |