Patent US2765984A successfully refreshed from Google Patents.
US2765984A
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US
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Temperature regulator
Assignee: Robertshaw Controls Co
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Filing: 1953-07-01
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Granted: 1956-10-09
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Expires: 1973-07-01
Abstract
No abstract record available.
Inventors
- 👤 Louis Medar Puster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:28
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US547228A
Cited
US627390A
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US1607745A
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US2376513A
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US2368120A
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GB652635A
Cited
US2612338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |