US2523807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiating panel for heating and cooling systems
Assignee: Individual
•
Filing: 1945-12-13
•
Granted: 1950-09-26
•
Expires: 1965-12-13
Abstract
No abstract record available.
Inventors
- 👤 Borghesan Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:23
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/12; F24D3/14; F28; F28F; F28F2210/00; F28F2210/10; Y; Y02; Y02B; Y02B30/00; Y10; Y10S; Y10S62/00; Y10S62/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |