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US 4,687,005 AGranted
Pipe bowl filter
OwnerHarry C. Mooreinventor
Life of this patent
Estimating the term…
Abstract
A tobacco pipe is provided having a bowl, stem and filter. The filter is inserted into the bowl. The filter is substantially cylindrical in shape having a perforated foil cap located on top of the filter. Associated with the filter is a pull wire so that the filter can be retrieved by the user. The filter removes condensed liquids containing tar and nicotine and also filters the smoke.
Claims1
A tobacco pipe comprising a bowl, stem, mouthpiece, and a filter inserted in said bowl so that any tobacco inserted into said bowl to be smoked would be in substantially direct contact with said filter;
- said filter being substantially cylindrical in shape and having a perforated foil cap on top of said filter;
- said filter having a pull wire extending throughout the entire length of said filter;
- said wire extending (a) through the bottom of said filter being secured at said bottom by a wire plate and (b) through the top of the filter;
- said extension through the top having length so that it can extend beyond the top of the bowl so that said filter can be retrieved by the user.
1 more element
Dependencies are inferred from the claim text.