US3359524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible heating elements
Assignee: IOCO Ltd
•
Filing: 1964-09-02
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Granted: 1967-12-19
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Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Gallacher Daniel
- 👤 Thomas W Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:44
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H05B3/02; H05B3/06; H05B3/10; H05B3/12; H05B3/14; H05B3/146; H05B3/34; H05B3/342; H05B2203/00; H05B2203/011; H05B2203/013; H05B2203/017; H05B2203/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN ELECTRICAL HEATING ELEMENT INCLUDING A FLEXIBLE SHEET OF MATERIAL CONSISTING OF A WOVEN FABRIC COATED WITH ELECTRICALLY CONDUCTIVE RUBBER, TWO SPACED SUBSTANTIALLY PARALLEL AND ELONGATED CONDUCTORS DISPOSED ON SAID COATED FLEXIBLE SHEET, EACH CONDUCTOR EXTENDING ALONG AN OPPOSITE EDGE OF THE FLEXIBLE SHEET, SAID CONDUCTORS AND COATED SHEET PROVIDING A CURRENT PATH SUCH THAT THE CURRENT PASSES FROM ONE CONDUCTOR THROUGH THE PORTION OF THE FLEXIBLE SHEET EXTENDING BETWEEN THE TWO CONDUCTORS
Claim 2
Dependent Claim
73 words
AN ELECTRICAL HEATING ELEMENT INCLUDING A FLEXIBLE SHEET OF MATERIAL CONSISTING OF A WOVEN FABRIC COATED WITH ELECTRICALLY CONDUCTIVE RUBBER, TWO SPACED SUBSTANTIALLY PARALLEL AND ELONGATED CONDUCTORS DISPOSED ON SAID COATED FLEXIBLE SHEET, EACH CONDUCTOR EXTENDING ALONG AN OPPOSITE EDGE OF THE FLEXIBLE SHEET, SAID CONDUCTORS AND COATED SHEET PROVIDING A CURRENT PATH SUCH THAT THE CURRENT PASSES FROM ONE CONDUCTOR THROUGH THE PORTION OF THE FLEXIBLE SHEET EXTENDING BETWEEN THE TWO CONDUCTORS
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |