Patent · US Expired

Hermetic closure seal

US6203937A · kind A · utility

2Cited by
19References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 22, 1994
Grant dateMar 20, 2001
Priority date
Expiry dateJun 22, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/4911
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A closed container is filled through a metal fill port which is then sealed with a rigid metal ball press fitted into the port passageway.

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