Patent information:
| Patent: | Utility 3,218,140 |
| Patented: | November 16, 1965 |
| Applied: | October 24, 1960 |
| Title: | Method for Cleaning Glass-Working Tools |
| Description: | Cleaning presses for glass block & TV faceplate production |
| Category: | OI |
| Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 27 | PROCESSES; Repairing or cleaning of apparatus; or batch dust prevention or control; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 26 | PROCESSES; Utilizing parting or lubricating layer; Coating of apparatus; |
| Class: | 134 | CLEANING AND LIQUID CONTACT WITH SOLIDS |
| Subclass: | 3 | |
Known specimens:
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Drawings:
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