US2565145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-temperature refrigeration control
Assignee: Individual
•
Filing: 1945-11-15
•
Granted: 1951-08-21
•
Expires: 1965-11-15
Abstract
No abstract record available.
Inventors
- 👤 Muffly Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:19
CPC Classifications
F; F25; F25B; F25B5/00; F25B5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1185596A
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US1014833A
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US1422886A
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US1619072A
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US1735498A
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US1998693A
Cited
US1801371A
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US2038434A
Cited
US2095011A
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US1956707A
Cited
US2005860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |