Patent · US Active

Plug and method of unplugging a seat

US8573295B2 · kind B2 · utility

100Cited by
380References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2010
Grant dateNov 5, 2013
Priority date—
Expiry dateAug 6, 2031

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B29/02
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method of unplugging a seat, including dissolving at least a surface of a plug seated against the seat, and unseating the plug from the seat.

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