Insulating unit for curtain wall
United States Patent 3093217
US Patent References:
Expansion joint
- - 2035476

Cabinet construction
- - 2205780

Insulated non-heat conducting metal window frame
- - 2835360

Curtain wall framing
- - 2914145


Inventors:
Doede, Donald J.
Publication Date:
06/11/1963
View Patent Images:
Assignee:
MARMET CORP
Primary Class:
Other Classes:
52/775, 52/235, 49/DIG.001, 52/204.591
International Classes:
E04B2/96; E06B3/263; E04B2/88; E06B3/04
Foreign References:
GB768499A
GB804258A