Covered vent

Details Covered vent Covered vent

1993-05-21

1995-10-17

Douglas, Alan P.

Packages and containers for goods

Element or attachment

Closure, cover, or pouring attachment

Patent

active

D03632237

REFERENCES:
patent: Re18982 (1933-10-01), Rollason
patent: D292675 (1987-11-01), Landecker
patent: D312405 (1990-11-01), Kenyon, Jr.
patent: 2207757 (1940-07-01), Reardon
patent: 2448893 (1948-09-01), Lamar
patent: 3547299 (1970-12-01), Kepple
patent: 5076493 (1991-12-01), Anderson
patent: 5108029 (1992-04-01), Abrams et al.

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