Patent information:
| Patent: | Utility 3,836,705 |
| Patented: | September 17, 1974 |
| Applied: | December 14, 1972 |
| Title: | Electrical Insulator and Conducting Tar Therefore |
| Description: | RFI prevention using conductive tar to coat insulator and metal surfaces for cementing |
| Category: | RFI |
| Assigned to: | Canadian Porcelain Co. |
Patentee Information:
| ROSENBLATT, Gordon | Burlington, Ontario, Canada |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 140C | INSULATORS; Combined; With conductive arcing or stress distributing means; Coated; |
| Class: | 106 | COMPOSITIONS: COATING OR PLASTIC |
| Subclass: | 277 | COATING OR PLASTIC COMPOSITIONS; Bituminous material or tarry residue; Bituminous emulsion; |
| Class: | 106 | COMPOSITIONS: COATING OR PLASTIC |
| Subclass: | 278 | COATING OR PLASTIC COMPOSITIONS; Bituminous material or tarry residue; With solvent or dispersing medium; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 182 | INSULATORS; With terminal elements; Plural; Cap and pin; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
Known specimens:
| None known |
Drawings:
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