Patent information:
| Patent: | Utility 522,428 |
| Patented: | July 3, 1894 |
| Applied: | May 3, 1894 |
| Title: | Insulator |
| Description: | Wall tube secured with a clip |
| Category: | Wall Tube |
| Assigned to: | The Interior Conduit & Insulation Co. |
Patentee Information:
| MACE, Romaine | New York, NY |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 152G | INSULATORS; Through wall or plate; Bushing type; Grommets or tubes; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 459 | IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC.; Multiple prong, e.g., nailing plate, staple, etc.; Oppositely disposed prongs; Having plural prongs on one end; |
| Class: | 411 | EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER |
| Subclass: | 921 | MULTIPLE-PRONGED NAIL, SPIKE OR TACK; |
Known specimens:
| None known |
Drawings:
Page 1 |