Patent US2724951A successfully refreshed from Google Patents.
US2724951A
Expired / Lapsed
US
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Liquid cooling device
Assignee: Individual
•
Filing: 1953-03-27
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Granted: 1955-11-29
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Expires: 1973-03-27
Abstract
No abstract record available.
Inventors
- 👤 Arce Ambrosio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:51
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D2303/00; F25D2303/08; F25D2303/081; F25D2303/083; F25D2303/0831; F25D2303/084; F25D2303/0841; F25D2303/0843; F25D2303/0845; F25D2331/00; F25D2331/80; F25D2331/803; F25D2331/804; F25D31/00; F25D31/006; F25D31/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304348A
Cited
US891577A
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US945542A
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US1776307A
Cited
US2010060A
Cited
US2045250A
Cited
US2266965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |