US3239401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding electric heating wire between layers of thermoplastic mesh
Assignee: Individual
•
Filing: 1964-12-18
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Granted: 1966-03-08
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Virgil R Beery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/10; E04D13/103; E01; E01C; E01C11/00; E01C11/24; E01C11/26; E01C11/265; F; F24; F24D; F24D13/00; F24D13/02; H; H05; H05B; H05B3/00; H05B3/10; H05B3/16; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
THE METHOD OF FORMING AN ELECTRIC HEATING MAT COMPRISING THE STEPS OF POSITIONING A FIRST LAYER OF FLEXIBLE THERMOPLASTIC MESH ON A WORK MEANS, POSITIONING AN ELECTRIC RESISTIVE HEATING WIRE ON SAID LAYER, POSITIONING A SECOND LAYER OF FLEXIBLE THERMOPLASTIC MESH OVER SAID HEATING WIRE AND SAID FIRST LAYER, AND APPLYING HEAT TO SAID LAYERS TO FUSE SAID LAYERS TOGETHER.
Claim 2
Independent Claim
60 words
THE METHOD OF FORMING AN ELECTRIC HEATING MAT COMPRISING THE STEPS OF POSITIONING A FIRST LAYER OF FLEXIBLE THERMOPLASTIC MESH ON A WORK MEANS, POSITIONING AN ELECTRIC RESISTIVE HEATING WIRE ON SAID LAYER, POSITIONING A SECOND LAYER OF FLEXIBLE THERMOPLASTIC MESH OVER SAID HEATING WIRE AND SAID FIRST LAYER, AND APPLYING HEAT TO SAID LAYERS TO FUSE SAID LAYERS TOGETHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |