Patent US2423541A successfully refreshed from Google Patents.
US2423541A
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Condition controlling apparatus
Assignee: Honeywell Inc
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Filing: 1944-08-25
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Granted: 1947-07-08
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Expires: 1964-08-25
Abstract
No abstract record available.
Inventors
- 👤 John M Wilson
- 👤 Francis A Busse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:56
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2144105A
Cited
US2144668A
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US2282442A
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US2272492A
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US2370847A
Cited
US2327690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |