Title:
Reclosable bags with rib and groove elements formed of different materials
United States Patent 3371696

Inventors:
Steven, Ausnit
Publication Date:
03/05/1968
View Patent Images:
Download PDF 3371696 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
383/35
Other Classes:
24/DIG.050, 383/65
International Classes:
A44B19/16; B29C47/20; B29C47/28; B29C47/70; B29C65/56; B65D33/25; A44B19/10; B29C47/58
US Patent References:
3173184Shaped head top closure
3198228Integral reclosable bag
3226787Double extruded fastener strips
Foreign References:
DE831985C
DE1112446B