Patent US2685645A successfully refreshed from Google Patents.
US2685645A
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US
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Control apparatus
Assignee: Honeywell Inc
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Filing: 1949-05-10
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Granted: 1954-08-03
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Expires: 1969-05-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Wannamaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 07:52
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/12; F23N5/123; F23N2229/00; F23N2229/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2084186A
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US2175017A
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US2263430A
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US2352143A
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US2313943A
Cited
US2422574A
Cited
US2528589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |