Patent information:
| Patent: | Utility 1,621,016 |
| Patented: | March 15, 1927 |
| Applied: | June 4, 1923 |
| Title: | Method of and Means for Coating Inner Surfaces of Hollow Bodies |
| Description: | Manufacturing method of spraying gummy coating to the inside of the cement joint of an insulator |
| Category: | Manufacturing |
| Assigned to: | Westinghouse Electric & Mfg. Co. |
Patentee Information:
| JACKSON, Ray P. | Edgewood Park, PA |
Class and subclass information:
| Class: | 427 | COATING PROCESSES |
| Subclass: | 235 | INTERIOR OF HOLLOW ARTICLE COATING; Removing excess coating material; |
| Class: | 118 | COATING APPARATUS |
| Subclass: | 408 | IMMERSION OR WORK-CONFINED POOL TYPE; Work-confined pool; Inside separate hollow work; |
| Class: | 427 | COATING PROCESSES |
| Subclass: | 106 | ELECTRICAL PRODUCT PRODUCED; Hollow article; Glass (e.g., light bulb, etc.); |
| Class: | 427 | COATING PROCESSES |
| Subclass: | 238 | INTERIOR OF HOLLOW ARTICLE COATING; Vacuum or pressure utilized; |
Known specimens:
| None known |
Drawings:
Page 1 |