Patent US3375685A successfully refreshed from Google Patents.
US3375685A
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US
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Apparatus control system and method
Assignee: Robertshaw Controls Co
•
Filing: 1966-10-03
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Granted: 1968-04-02
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Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Douglas R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/308; D06F33/00; D06F33/04; D06F33/10; D06F34/00; D06F34/08; Y; Y10; Y10S; Y10S60/00; Y10S60/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3152461A
Cited
US3318116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |