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Patent US2532382A successfully refreshed from Google Patents.
US2532382A
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Constant temperature maintenance system
Assignee: SAMPSEL TIME CONTROL Inc
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Filing: 1945-11-05
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Granted: 1950-12-05
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Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 White Edgar Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:25
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1583586A
Cited
US1807210A
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US2117514A
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US1960718A
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US2148491A
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US2164352A
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US2069002A
Cited
US2189382A
Cited
US2153195A
Cited
US2219441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |