Patent US3494376A successfully refreshed from Google Patents.
US3494376A
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US
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Control apparatus
Assignee: Honeywell Inc
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Filing: 1967-10-12
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Granted: 1970-02-10
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Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Karl H Doeringsfeld
- 👤 Ralph T Osen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:31
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/003; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413; Y10T137/86928; Y10T137/87016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985193A
Cited
US3340896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |