Temporary door installation for grain carrying freight car
US4046185A · kind A · utility
0Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 17, 1974 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Oct 17, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60J5/0497
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A temporary door installation for a grain carrying freight car wherein the pry board is upwardly tapered to eliminate the need for special sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.