Title:
UPWARD ACTING DOOR
United States Patent 3527283
US Patent References:
Flexible wall structure
- - 2458537
Hinge system for refrigerated cabinets
- - 2607411
Overhead door construction
- - 3104699
Roll-up door
- - 3148724
Flexible wall structure
- - 2458537
Hinge system for refrigerated cabinets
- - 2607411
Overhead door construction
- - 3104699
Roll-up door
- - 3148724
Inventors:
Butler, Rollo R.
Olsen, Allen J.
Pantaleo, Andrew C.
Rosenblatt, Melvin H.
Olsen, Allen J.
Pantaleo, Andrew C.
Rosenblatt, Melvin H.
Publication Date:
09/08/1970
View Patent Images:
Export Citation:
Assignee:
CELOTEX CORP
Primary Class:
Other Classes:
160/232, 16/DIG.013, 16/225, 160/231.200
International Classes:
E05D15/24; E06B3/48; E05D1/02; E05D15/16; E06B3/32; E05D1/00; E06B3/48