Patent information:
| Patent: | Utility 2,194,189 |
| Patented: | March 19, 1940 |
| Applied: | May 5, 1936 |
| Title: | Pole Line Insulator |
| Description: | CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence |
| Category: | Insulator |
| Assigned to: | Western Union Telegraph Co. |
Patentee Information:
| WHEELER, Herbert H. | Millburn, NJ |
| MCGINNIS, Orris | Brooklyn, NY |
| THORDARSON, William | New York, NY |
Class and subclass information:
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 432 | COMPOSITE (NONSTRUCTURAL LAMINATE); Of quartz or glass; Next to metal or compound thereof; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 139 | INSULATORS; Combined; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 209 | INSULATORS; Sectional, multi-part, composite, or coated; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 211 | INSULATORS; With moisture or dirt removing or shedding; |
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 696 | COMPOSITE (NONSTRUCTURAL LAMINATE); Of inorganic material; Metal-compound-containing layer; Halogen-containing; |
| Class: | 428 | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| Subclass: | 697 | COMPOSITE (NONSTRUCTURAL LAMINATE); Of inorganic material; Metal-compound-containing layer; Layer contains compound(s) of plural metals; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 25 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients); Chemically specified frit compositions; Halogen containing; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 126 | CERAMIC COMPOSITIONS; Refractory; Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing; |
Known specimens:
| Number: | CD 142 |
| Number: | CD 142.4 |
Drawings:
Page 1 |