Controllable pouring spout

Details Controllable pouring spout Controllable pouring spout

1991-11-22

1993-10-05

Douglas, Alan P.

Packages and containers for goods

Element or attachment

Closure, cover, or pouring attachment

Patent

active

D03399850

REFERENCES:
patent: D247350 (1978-02-01), Witt
patent: D277460 (1985-02-01), Vadnais
patent: D332221 (1993-01-01), Willems
patent: 1520029 (1924-12-01), Lewis
patent: 3235133 (1966-02-01), Zimmerman et al.
patent: 3235146 (1966-02-01), Parish, Jr. et al.
patent: 4690375 (1987-09-01), Vorhis
patent: 4765511 (1988-08-01), Clements
patent: 4777990 (1988-10-01), Grant
patent: 4801053 (1989-01-01), Kaster
patent: 4832238 (1989-05-01), Taylor

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