US3061701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Robertshaw US Holding Corp
•
Filing: 1959-05-13
•
Granted: 1962-10-30
•
Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Don C Barnett
- 👤 Marshall R Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:22
CPC Classifications
G; G07; G07F; G07F9/00; G07F9/10; G07F9/105; H; H01; H01H; H01H89/00; H01H89/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1131733A
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GB364975A
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US2273282A
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US2114766A
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US2213505A
Cited
US2596039A
Cited
US2674665A
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US2729718A
Cited
US2788416A
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US2885513A
Cited
US2915610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |