US3205341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible electric heating device
Assignee: Electrothermal Engineering Ltd
•
Filing: 1963-03-04
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Granted: 1965-09-07
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Bull Thomas William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:40
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B3/345; B; B01; B01L; B01L7/00; H05B2203/00; H05B2203/002; H05B2203/014; H05B2203/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FLEXIBLE ELECTRIC HEATING DEVICE COMPRISING AN ELONGATED ELECTRICAL CONDUCTOR, LOOPS OF YARN EXTENDING TRANSVERSELY AROUND SAID CONDUCTOR AND THROUGHOUT THE LENGTH THEREOF, SAID CONDUCTOR HAVING PORTIONS DISPOSED ADJACENT TO AND SPACED APART FROM EACH OTHER, AND A SERIES OF LOOPS OF YARN SEPARATE FROM SAID FIRST NEMAE LOOPS AND EXTENDING BETWEEN THE LOOPS OF YARN OF SAID ADJACENT CONDUCTOR PORTIONS, SAID SERIES OF LOOPS BEING FORMED OF A CONTINUOUS LENGTH OF YARN EXTENDING ALONG THE LONGITUDINAL DIMENSION OF SAID ADJACENT CONDUCTOR PORTIONS AND ACROSS THE SPACE BETWEEN SAID PORTIONS TO INTERLOCK SAID PORTIONS TOGETHER.
Claim 2
Dependent Claim
95 words
A FLEXIBLE ELECTRIC HEATING DEVICE COMPRISING AN ELONGATED ELECTRICAL CONDUCTOR, LOOPS OF YARN EXTENDING TRANSVERSELY AROUND SAID CONDUCTOR AND THROUGHOUT THE LENGTH THEREOF, SAID CONDUCTOR HAVING PORTIONS DISPOSED ADJACENT TO AND SPACED APART FROM EACH OTHER, AND A SERIES OF LOOPS OF YARN SEPARATE FROM SAID FIRST NEMAE LOOPS AND EXTENDING BETWEEN THE LOOPS OF YARN OF SAID ADJACENT CONDUCTOR PORTIONS, SAID SERIES OF LOOPS BEING FORMED OF A CONTINUOUS LENGTH OF YARN EXTENDING ALONG THE LONGITUDINAL DIMENSION OF SAID ADJACENT CONDUCTOR PORTIONS AND ACROSS THE SPACE BETWEEN SAID PORTIONS TO INTERLOCK SAID PORTIONS TOGETHER.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |