US2460482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar heat collector
Assignee: Individual
•
Filing: 1945-02-20
•
Granted: 1949-02-01
•
Expires: 1965-02-20
Abstract
No abstract record available.
Inventors
- 👤 Abbot Charles Greeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/40; F24S10/45; F24S20/00; F24S20/20; F24S23/00; F24S23/70; F24S23/71; F24S30/00; F24S30/40; F24S30/45; F24S30/458; F24S80/00; F24S80/20; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y02E10/47; Y10; Y10S; Y10S203/00; Y10S203/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |