Patent US2001837A successfully refreshed from Google Patents.
US3500394A
Expired / Lapsed
US
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Control apparatus
Assignee: Honeywell Inc
•
Filing: 1966-12-23
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Granted: 1970-03-10
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Sanford E Egesdal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:07
CPC Classifications
G; G08; G08B; G08B29/00; G08B29/02; G08B29/06; G08B23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3195043A
Cited
US3230440A
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US3254334A
Cited
US3311907A
Cited
US3304547A
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US3382409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |