Method of forming raceway knockout
US10315361B2 · kind B2 · utility
0Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2016 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Aug 1, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2002/7488
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for forming a knockout on a raceway includes removing a knockout from the raceway to form an opening, positioning the knockout within the opening, and thereafter attaching the knockout to the raceway by welding the knockout and the raceway together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.