Patent GB477355A successfully refreshed from Google Patents.
US2825789A
Expired / Lapsed
US
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Control apparatus
Assignee: Honeywell Inc
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Filing: 1956-12-28
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Granted: 1958-03-04
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert T Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:14
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1913; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218; Y10T74/1261; Y10T74/1271
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |