US2566019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic pressure regulator
Assignee: Honeywell Inc
•
Filing: 1945-04-21
•
Granted: 1951-08-28
•
Expires: 1965-04-21
Abstract
No abstract record available.
Inventors
- 👤 Frank B Dempsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1919; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/7722; Y10T137/7758; Y10T137/7762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1853194A
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US1935329A
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US1987032A
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US2098709A
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US2244555A
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US2314266A
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US2328279A
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US2317640A
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US2301978A
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US2349209A
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US2363943A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |