US2286271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer device
Assignee: UNIVERSAL COOLER Corp
•
Filing: 1940-03-07
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Granted: 1942-06-16
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Expires: 1960-03-07
Abstract
No abstract record available.
Inventors
- 👤 William W Higham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:47
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; B; B21; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/08; B21C23/10; F28F1/42; F28F1/422; F28F1/424; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/442; Y10S165/451; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |