Patent · US Expired

Toy water grenade

US5354225A · kind A · utility

29Cited by
3References
5Claims
0Family size

Inventor

Key dates

Filing dateOct 22, 1993
Grant dateOct 11, 1994
Priority date
Expiry dateOct 22, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF42B8/26
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A housing is arranged to include a fluid chamber, with the fluid chamber arranged with a surrounding pneumatic chamber. A piston member is arranged for sliding displacement along the reservoir chamber upon removal of a release pin, such that upon the piston exposing pneumatic entry ports into the fluid chamber effects pressurization of fluid within the fluid chamber and expels such fluid in an array from the housing.

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