Patent US2490932A successfully refreshed from Google Patents.
US2490932A
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US
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Control apparatus
Assignee: Honeywell Inc
•
Filing: 1945-05-31
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Granted: 1949-12-13
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Expires: 1965-05-31
Abstract
No abstract record available.
Inventors
- 👤 Francis M Thuney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/10; F24D19/1006; F24D19/1009; F24D19/1015; F24D19/1024; F24D19/1033; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1212283A
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US2189381A
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US2151222A
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US2262194A
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US2324736A
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US2246138A
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US2366501A
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US2327536A
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US2393868A
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US2404597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |