Patent · US Expired

Covered drinking cup

US4171060A · kind A · utility

65Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1978
Grant dateOct 16, 1979
Priority date
Expiry dateDec 11, 1998

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47G19/2272
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A thermo-insulated drinking cup covered by a detachable lid; the lid having a depressed top area and an orifice. A valve closing said orifice is actuated by a rotating thumb-controlled lever. The lever is effective when rotated in either direction in order to accommodate right-handed or left-handed handling of the cup.

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