Insulated backpack
US4941603A · kind A · utility
Inventors
Key dates
| Filing date | Mar 16, 1987 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | Mar 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.