Built in de-icing device

Heat exchange – Flexible envelope or cover type

Patent

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Details

1262711, 165104R, 404 17, 404 71, F28F 700

Patent

active

040263509

ABSTRACT:
A device that is placed under the driveway surface and used in conjunction with a motor vehicle exhaust system to maintain an ice free driveway.

REFERENCES:
patent: 1349136 (1920-08-01), Lillard
patent: 2408605 (1946-10-01), Brookes
patent: 2505622 (1950-04-01), McKee
patent: 2515341 (1950-07-01), Giguere
patent: 2634659 (1953-04-01), Jordanoff
patent: 3151613 (1964-10-01), Howard
patent: 3189021 (1965-06-01), Giguere
patent: 3680449 (1972-08-01), Guritz
patent: 3683152 (1972-08-01), Laing

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