US3153140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant heating panel
Assignee: Electric Parts Corp
•
Filing: 1961-09-12
•
Granted: 1964-10-13
•
Expires: 1981-09-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Theodore
- 👤 John L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/004; H05B2203/014; H05B2203/032; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A RADIANT HEATING PANEL COMPRISING A FLAT SINUOUS COIL OF RESISTANCE WIRE HAVING AN INSULATING SHEATH OF RELATIVELY FLEXIBLE HEAT RESPONSIVE PLASTIC INSULATING MATERIAL, AND A FOIL-LIKE CARRIER SHEET DISPOSED ON ONE SIDE ONLY OF SAID COIL, SAID SHEET HAVING ON THE FACE THEREOF CONFRONTING SAID COIL A COATING OF HEAT RESPONSIVE PLASTIC MATERIAL COMPLEMENTARY TO THE MATERIAL OF SAID SHEATH, SAID COIL AND SAID SHEET BEING ADHERED TOGETHER BY A HEATSEALED ADHESIVE BOND BETWEEN SAID SHEATH AND THE CONFRONTING FACE OF SAID SHEET.
Claim 2
Dependent Claim
84 words
A RADIANT HEATING PANEL COMPRISING A FLAT SINUOUS COIL OF RESISTANCE WIRE HAVING AN INSULATING SHEATH OF RELATIVELY FLEXIBLE HEAT RESPONSIVE PLASTIC INSULATING MATERIAL, AND A FOIL-LIKE CARRIER SHEET DISPOSED ON ONE SIDE ONLY OF SAID COIL, SAID SHEET HAVING ON THE FACE THEREOF CONFRONTING SAID COIL A COATING OF HEAT RESPONSIVE PLASTIC MATERIAL COMPLEMENTARY TO THE MATERIAL OF SAID SHEATH, SAID COIL AND SAID SHEET BEING ADHERED TOGETHER BY A HEATSEALED ADHESIVE BOND BETWEEN SAID SHEATH AND THE CONFRONTING FACE OF SAID SHEET.
References Cited (Backward Citations)
US2423196A
Cited
US2613306A
Cited
US2610286A
Cited
US2529914A
Cited
US2767113A
Cited
US2942330A
Cited
US2741692A
Cited
US2715674A
Cited
US2845519A
Cited
US2990607A
Cited
US2862097A
Cited
US2956915A
Cited
US2889445A
Cited
US2993806A
Cited
US2964444A
Cited
US2900290A
Cited
US2846560A
Cited
US3010007A
Cited
US2961524A
Cited
US3056768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |