US2592088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric proportioning controller with pneumatic reset
Assignee: Honeywell Inc
•
Filing: 1948-03-31
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Granted: 1952-04-08
•
Expires: 1968-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Wannamaker
- 👤 Donald P Eckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838084A
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FR750075A
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US2154260A
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US2325103A
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US2335943A
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US2414314A
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US2364483A
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US2386942A
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US2514918A
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US2473494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |