Patent · US Expired

Insulated backpack

US4941603A · kind A · utility

193Cited by
20References
3Claims
0Family size

Inventors

Key dates

Filing dateMar 16, 1987
Grant dateJul 17, 1990
Priority date
Expiry dateMar 16, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA45F3/04
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

This invention relates to a backpack having enclosed compartments suitable for storing and transporting articles requiring thermally insulated and waterproof protection. The backpack is comprised of two-sections, one of which is a thermally insulated compartment for carrying articles that need to be kept cold or warm. The structure of the apparatus is flexible and formed from a combination of composite material sandwiched between an inner and an outer flexible material. Shoulder or carrying straps and a waist strap are integrally connected to the housing so as to adapt to the wearers shoulders and waist.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.