Hollow metal door
US8171700B2 · kind B2 · utility
16Cited by
28References
8Claims
0Family size
Inventor
Key dates
| Filing date | Mar 4, 2010 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49629
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hollow metal door using hollow structural sections with closed cross section, along with the method for making same, is described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.