Patent US2603420A successfully refreshed from Google Patents.
US2603420A
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US
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Thermostatically controlled mixing valve
Assignee: Individual
•
Filing: 1951-05-07
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Granted: 1952-07-15
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Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Tacchi Percy George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/134; G05D23/1346; F; F16; F16K; F16K31/00; F16K31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |