US3241214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrically heated fabric structures
Assignee: FMC Corp
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Filing: 1964-11-24
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Granted: 1966-03-22
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Smith
- 👤 Graeme G Whytlaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:25
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/013; H05B2203/017
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A METHOD OF MAKING AN ELECTRICALLY HEATED FABRIC STRUCTURE INCLUDING THE STEPS OF DEPOSITING A THIN LAYER OF ELECTRICALLY CONDUCTIVE MATERIAL ALONG A PREDETERMINED PATH ON AT LEAST ONE SURFACE OF AN UNBROKEN, NON-FIBROUS, THERMOPLASTIC, POLYMERIC FILM AND ADHERING THE SAME THERETO, DISPOSING A BATT OF FIBERS ONTO SAID FILM, NEEDLE-PUNCHING THE BATT OF FIBERS ONTO SAID FILM INCLUDING THE PORTIONS THEREOF ONTO WHICH THE ELECTRICALLY CONDUCTED MATERIAL HAS
References Cited (Backward Citations)
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |