Patent US2486145A successfully refreshed from Google Patents.
US2486145A
Expired / Lapsed
US
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Semicircular evaporator coil combined with a fan
Assignee: Kramer Trenton Co
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Filing: 1945-10-25
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Granted: 1949-10-25
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Expires: 1965-10-25
Abstract
No abstract record available.
Inventors
- 👤 Frie George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:24
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1950344A
Cited
US1831825A
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GB386413A
Cited
US1996870A
Cited
US1957292A
Cited
US2148238A
Cited
US2212748A
Cited
US2359051A
Cited
US2405411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |