US2851048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulation control system for minimizing and/or maximizing the output signal of a controller
Assignee: Honeywell Inc
•
Filing: 1955-02-07
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Granted: 1958-09-09
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Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert M Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
F; F15; F15C; F15C3/00; F15C3/10; F15C3/14; F16; F16K; F16K31/00; F16K31/12; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2285540A
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US2454946A
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US2512561A
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US2699795A
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US2688253A
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US2658392A
Cited
US2675818A
Cited
US2771772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |