Prefabricated door frame
US5613324A · kind A · utility
19Cited by
11References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Sep 15, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B5/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door frame and a method for constructing a door frame assembly for use in prefabricated housing. The door frame assembly has a header frame and two side frames fixedly attached and constructed out of metal. The door frame assembly is slidable into position in a prefabricated housing unit. The individual frame members are preferably manufactured from galvanized steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.