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US 4,706,720 AGranted
Clean funnel
OwnerO. H. Pattison, Will Pattisoninventors
Life of this patent
Estimating the term…
Abstract
A clean funnel including a funnel shaped housing having a large substance intake opening and a small substance outlet opening; an entirely removable first closure cap for sealing the large substance intake opening and an entirely removable second closure cap for sealing the small substance outlet opening, the first cap and the second cap each being sufficiently tight when in place to remain in place under conditions of funnel handling and movement and to prevent contamination of the funnel during periods of nonuse.
Claims9
A clean funnel comprising:
- a funnel shaped housing having a large substance intake opening and a small substance outlet opening;
- an entirely removable first closure cap means for sealing said large substance intake opening and an entirely removable second closure cap means for sealing said small substance outlet opening, said first closure cap means and said second closure cap means each being sufficiently tight when in place to remain in place under conditions of funnel handling and movement and to prevent contamination of said funnel during periods of nonuse.
Dependencies are inferred from the claim text.