US2422162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Honeywell Inc
•
Filing: 1944-02-25
•
Granted: 1947-06-10
•
Expires: 1964-02-25
Abstract
No abstract record available.
Inventors
- 👤 George L Borell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:30
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/14; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897676A
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US1372502A
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US1346563A
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US1591671A
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US1557793A
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US1816787A
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US1942825A
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US1991756A
Cited
US2214807A
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US2283175A
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US2273626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |