Bong with full-bore removable plug standard

Details Bong with full-bore removable plug standard Bong with full-bore removable plug standard

1978-11-06

1980-05-06

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131257, 2481889, 2483591, A24F 130

Patent

active

042012309

ABSTRACT:
The base of a bong-type smoking pipe is provided with a full bore radially expansible/contractile, rotably actuated plug-type closure that incorporates a standard for supporting the pipe in a generally upright condition. Upon removal of the plug and the smoking bowl unit, the full bore of the main tube is accessible for cleaning, e.g. with a bottle brush or in an automatic dishwasher.

REFERENCES:
patent: 852242 (1907-04-01), Redlich
patent: 2513193 (1950-06-01), Miller
patent: 4031904 (1977-06-01), Karl
patent: 4101044 (1978-07-01), Paquette et al.

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