Patent · US Expired

Small portable instrument

US7138473B2 · kind B2 · utility

0Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 2001
Grant dateNov 21, 2006
Priority date
Expiry dateAug 8, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31888
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A miniature portable equipment in the present invention comprising a packing comprising a butyl rubber having a crosslinking structure composed of carbon to carbon bonds of the formula:

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