US2846982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feedback control apparatus
Assignee: Honeywell Inc
•
Filing: 1956-04-19
•
Granted: 1958-08-12
•
Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Dean L Huppert
- 👤 Harold P Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:09
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US746158A
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US926564A
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US1443719A
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US1742892A
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US1875226A
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US1902356A
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FR673933A
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US1787614A
Cited
US2055530A
Cited
US2346214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |