Baths – closets – sinks – and spittoons – Obstruction remover – Connected to a source of external fluid under pressure
Patent
1975-04-18
1976-04-27
Artis, Henry K.
Baths, closets, sinks, and spittoons
Obstruction remover
Connected to a source of external fluid under pressure
222215, E03D 1100
Patent
active
039523411
ABSTRACT:
A device comprising a collapsible container having a throat configuration registrable with a drain opening and a frangible seal acting to open when the collapsible container is collapsed as in directing the caustic contents thereof into a stopped up drain.
REFERENCES:
patent: 2714898 (1955-08-01), Reese
patent: 2733450 (1956-02-01), Wallace
patent: 3266532 (1966-08-01), Stewart
patent: 3434589 (1969-03-01), Lindstorm et al.
patent: 3474844 (1969-10-01), Valtri et al.
patent: 3480021 (1969-11-01), Ewald
patent: 3644943 (1972-02-01), Leonardo et al.
patent: 3823427 (1974-07-01), Pittet
Artis Henry K.
Harpman Webster B.
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