Patent · US Expired

Funnel

US4226268A · kind A · utility

4Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 29, 1978
Grant dateOct 7, 1980
Priority date
Expiry dateNov 29, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03C3/88
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A funnel includes an upper portion which comprises at least two separate parts separably connected to each other so as to define a first interior and lower portion defining a second interior. The first and lower portions are sealingly and separably connected to each other so that the first and second interiors thereof define together the interior of the funnel.

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