Patent information:
| Patent: | Utility 2,710,492 |
| Patented: | June 14, 1955 |
| Applied: | October 27, 1952 |
| Title: | Apparatus for Forming Cavities in the Wall of a Socket of a Pin-Type Glass Insulator |
| Description: | Insulator press |
| Category: | Press |
| Assigned to: | Pilkington Brothers Ltd. |
Patentee Information:
| WILCOCK, John Edward | St. Helens,, England |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 294 | PREFORM RESHAPING MEANS; Cylindrical preform; By expansible mandrel; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | DIG58 | Undercut; |
Known specimens:
| None known |
Drawings:
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