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US2541359A
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Temperature control and indicator
Assignee: Knapp Monarch Co
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Filing: 1947-05-07
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Granted: 1951-02-13
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Expires: 1967-05-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Huck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:35
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/014; H05B2203/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE448761C
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US1629086A
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US1758177A
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US2015425A
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US2024153A
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US2179686A
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US2144137A
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US2252015A
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US2308422A
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US2421953A
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US2477845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |