Vapor-tight thermal insulating door
United States Patent 3299574
US Patent References:
Closure
- - 1750631

Door construction
- - 2060608

Ship's door and frame
- - 2490321

Walk-in cooler door
- - 2726424

Door construction
- - 2781875


Inventors:
Alexeff, Alexander V.
Milan, Zobenica
Publication Date:
01/24/1967
View Patent Images:
Download PDF 3299574 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
IND OVENS INC
Primary Class:
49/401
Other Classes:
49/483.100
International Classes:
C21D9/00; E06B5/16; E06B5/10
US Patent References:
3205982Packaged door casing and pre-hung door
Foreign References:
GB563000A