Patent · US Expired

Perforated closed cell padding material

US4294240A · kind A · utility

130Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 17, 1979
Grant dateOct 13, 1981
Priority date
Expiry dateAug 17, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2013/530802
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Perforated closed cell foam padding material useful with orthopedic devices, said material being capable of passing perspiration from human skin therethrough, being resiliently compressible, and being elastic in the longitudinal direction of the padding material.

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