US2762895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant temperature device
Assignee: Collins Radio Co
•
Filing: 1952-10-25
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Granted: 1956-09-11
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Expires: 1972-10-25
Abstract
No abstract record available.
Inventors
- 👤 Francis E Throw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/06; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1363072A
Cited
US1874909A
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US1904140A
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US1904771A
Cited
US2109874A
Cited
US2181586A
Cited
US2369363A
Cited
US2524886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |