United States Patent 3125942

Publication Date:
03/24/1964
View Patent Images:
Download PDF 3125942 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
454/260
Other Classes:
454/275
International Classes:
E04D13/152; F24F13/08; E04D13/15
US Patent References:
2988983Building attic ventilators
3051071Soffit ventilated attics and ventilator members therefor