US3019986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing valve
Assignee: TACO HEATERS Inc
•
Filing: 1957-06-21
•
Granted: 1962-02-06
•
Expires: 1977-06-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolph T Schoerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/134; G05D23/1346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB348793A
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US1879344A
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US1942270A
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US2246148A
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US2248447A
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US2326096A
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US2515885A
Cited
GB673278A
Cited
US2636776A
Cited
US2807421A
Cited
US2837282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |