Patent US2484875A successfully refreshed from Google Patents.
US2484875A
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Heat transfer and precipitation means
Assignee: Individual
•
Filing: 1945-12-22
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Granted: 1949-10-18
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Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Howell C Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:17
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/006; F25J1/008; F25J1/0082; F25J1/0002; F25J1/0022; F25J1/003; F25J1/0032; F25J1/0045; F25J1/0047; F25J1/0052; F25J1/0085; F25J1/0087; F25J1/009; F25J1/02; F25J1/0203; F25J1/0204; F25J1/0207; F25J1/0243; F25J1/0257; F25J1/0262; F25J1/0264; F25J1/0265; F25J1/0268; F25J1/0279; F25J1/0296; F25J3/00; F25J3/06; F25J3/0605; F25J3/061; F25J3/063; F25J3/0635; F25J3/067; F25J2205/00; F25J2205/20; F25J2205/30; F25J2210/00; F25J2210/04; F25J2220/00; F25J2220/60; F25J2220/66; F25J2220/68; F25J2235/00; F25J2235/60; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1808494A
Cited
US1739750A
Cited
US2022165A
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US2090163A
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US2141997A
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US2198142A
Cited
US2252738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |