Patent 2,256,645 was filed March 28, 1941 to Florence Kuhlman for Robert Appel, New York, NY. It covers an innovative weaving method used to assemble "provide a material comprised of interfitted rigid units...by pliable means interlace with said units whereby an articulate, decorative and ornamental surface is obtained."
I never noticed the Apple logo on the fabric label in these bags until I found this small news story in the Handbag News column of the February 1942 Luggage & Leather Goods, page 59.
Plasticflex Line Expanded
"The latest member of the R. Appel "plasticflex" family is an enormous underarm with a matching small plasticflex top zipper bag inside. This new pair retails for $7.50 complete and is shown in the various color combinations for which this line is well known.
Long grained goat, with the appearance of morocco, is a new leather being used by this house. The group is being shown in both underarm and frame models to retail at around $5.95."
Full page ad February 1950 "Handbags and Fashion Accessories," page 94, includes an example of a Plasticflex bag by R. Appel, New York.
Featherweight Conmar Zippers ConmarProductsCorp give a qualitg feel to hags
''Why use an oversized zipper for a small pocket closure?
Conmar Zippers, Newark, New Jersey Direct N. Y. Phone: REclor 2-9800 Branches: Atlanta • Baltimore • Boston • Chicago Cleveland • Dallas • Los Angeles • Minneapolis Philadelphia • St. Louis • San Francisco''