US2595905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy heat transfer device
Assignee: Individual
•
Filing: 1946-08-29
•
Granted: 1952-05-06
•
Expires: 1966-08-29
Abstract
No abstract record available.
Inventors
- 👤 Telkes Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:34
CPC Classifications
F; F25; F25B; F25B23/00; F25B23/003; F24; F24S; F24S23/00; F24S23/70; F24S23/77; F24S40/00; F24S40/10; F24S50/00; F24S50/80; F24S60/00; F24S60/10; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y10; Y10S; Y10S165/00; Y10S165/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1729818A
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US1887618A
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US2191198A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |