Invention Grant
US07665246B1 Door and frame assembly, system and method for commercial coolers and freezers
失效
门和框架组装，商用冷却器和冷柜的系统和方法
- Patent Title: Door and frame assembly, system and method for commercial coolers and freezers
- Patent Title (中): 门和框架组装，商用冷却器和冷柜的系统和方法
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Application No.: US10874685Application Date: 2004-06-23
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Publication No.: US07665246B1Publication Date: 2010-02-23
- Inventor: William C. Wagner, Jr.
- Applicant: William C. Wagner, Jr.
- Agency: Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
- Main IPC: E06B3/00
- IPC: E06B3/00 ; F25B47/00
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.
Information query
IPC分类:
