Patent US3288935A successfully refreshed from Google Patents.
Patent US3473780A successfully refreshed from Google Patents.
US3473780A
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Control apparatus
Assignee: Honeywell Inc
•
Filing: 1967-05-11
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Granted: 1969-10-21
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Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Harms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:49
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F02; F02M; F02M63/00; F02M63/0012; F02M63/0014; F02M63/0015; F02M63/0017; F02M63/0021; F02M63/0022; F02M63/02; F02M63/0205; F02M63/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269865A
Cited
US2651744A
Cited
US2705608A
Cited
FR1074170A
Cited
US2826215A
Cited
US3108777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |