Door and frame assembly, system and method for commercial coolers and freezers
US7665246B1 · kind B1 · utility
3Cited by
12References
9Claims
0Family size
Inventor
Key dates
| Filing date | Jun 23, 2004 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Feb 16, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S49/01
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A door and frame assembly useful for commercial coolers and heaters comprises a door frame having an upper horizontal member and opposing side members with an insulated door fitted in the door opening between the sides and with a discontinuous heating element extending at least along one, and preferably both, of the sides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.