US3400247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical radiant heating panels
Assignee: Individual
•
Filing: 1965-10-12
•
Granted: 1968-09-03
•
Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 George P Deacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:44
CPC Classifications
F; F24; F24D; F24D13/00; F24D13/02; F24D13/022; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229576A
Cited
US1642142A
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US1821533A
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US2000850A
Cited
GB358134A
Cited
US1975976A
Cited
US2084468A
Cited
US2497928A
Cited
US2659765A
Cited
US2872504A
Cited
US3095491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |