Patent information:
| Patent: | Utility 438,532 |
| Patented: | October 14, 1890 |
| Applied: | June 18, 1890 |
| Title: | Insulating Appliance for Electric Batteries |
| Description: | Battery jar and large battery rest insulator with upturned cup to hold insulating fluid. Some think the rods (a2) that hold the plates apart are the glass U-shaped ""rods"" known in the hobby, but there is no evidence of this in the patent. |
| Category: | Battery |
| Assigned to: | The United Gas Improvement Co. |
Patentee Information:
Class and subclass information:
| Class: | 429 | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| Subclass: | 95 | |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 30 | WITH FLUIDS OR VACUUM; Insulators; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 138R | INSULATORS; Special application; |
Known specimens:
| Number: |  |
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Drawings:
Page 1 |
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