Patent information:
| Patent: | Utility 8,075 |
| Patented: | May 6, 1851 |
| Applied: | |
| Title: | Improvement in the Manufacture of India Rubber |
| Description: | Rubber - vulcanizing process for hard rubber for insulator |
| Category: | Rubber |
| Assigned to: |
Patentee Information:
| GOODYEAR, Nelson | New York, NY |
Class and subclass information:
| Class: | 524 | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
| Subclass: | 77 | SYNTHETIC RESINS (Class 520, Subclass 1); PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1); Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof; Natural resin or modified forms thereof other than rosin or its modified forms DNRM, e.g., shellac, dammar, etc.; |
| Class: | 126 | STOVES AND FURNACES |
| Subclass: | 99R | |
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 175 | FORMING CONTINUOUS OR INDEFINITE LENGTH WORK; By calendering; |
| Class: | 524 | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
| Subclass: | 928 | NATURAL RUBBER COMPOSITIONS HAVING NONREACTIVE MATERIALS (DNRM) OTHER THAN: CARBON, SILICON DIOXIDE, GLASS TITANIUM DIOXIDE, WATER, HYDROCARBON, HALOHYDROCARBON; Before 1930, exemplified; |
| Class: | 525 | SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES |
| Subclass: | 332.6 |
Known specimens:
| Number: |  |