Patent US2724409A successfully refreshed from Google Patents.
US2724409A
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US
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Thermostatic valve
Assignee: Honeywell Inc
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Filing: 1951-12-29
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Granted: 1955-11-22
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Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Charles D Coffey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; G05D23/128; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2314842A
Cited
US2040762A
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US2177544A
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US2341858A
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US2513804A
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US2590674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |