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Household
Class Information
Number:
126/271.2B
Name:
Stoves and furnaces
>
Heaters
>
Surface
>
Fluid fuel
> Switch heaters
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6460536
Hydraulically powered rail pre-heater
Oct. 8, 2002
5983886
Storage container for railroad rack heating cord
Nov. 16, 1999
5702074
Railway switch heating apparatus
Dec. 30, 1997
4860727
Mobile rail heater and method for expanding rails
Aug. 29, 1989
4687163
Railway switch control system
Aug. 18, 1987
4671475
Railroad track switch covers and heater
Jun. 9, 1987
4391425
Railroad switch heater
Jul. 5, 1983
RE31081
Railroad switch heater
Nov. 16, 1982
4195805
Railroad switch heater
Apr. 1, 1980
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