Railroad car brake beam wear plate having one or more tapered walls
USD497838S1 · kind S1 · design
10Cited by
13References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 2003 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Nov 2, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.