US3021868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-thermal mixing valve
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1957-08-01
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Granted: 1962-02-20
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Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Kovach Julius William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/088; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/24; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393; D06F37/00; D06F37/42; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6497; Y10T137/8593; Y10T137/87265; Y10T137/87281; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2553769A
Cited
US2610837A
Cited
US2644476A
Cited
US2698029A
Cited
US2712324A
Cited
US2719536A
Cited
US2837282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |