Dental filter assembly

Details Dental filter assembly Dental filter assembly

1994-10-28

1996-11-05

Reifsnyder, David A.

Liquid purification or separation

With repair or assembling means

210167, 210416, 210435, 210441, 210444, 210DIG17, 433 97, B01D 2700

Patent

active

055714129

ABSTRACT:
A filter canister assembly for receiving waste from a dental cuspidor includes a canister of generally conventional configuration, with an open upper end, fitted with a canister closure which engages with the upper end of the canister and which is secured to a disposable filter configured to fit within the canister. Embodiments are described wherein the canister closure is disposable and is permanently attached to the disposable filter; wherein the canister closure is snapped together with the filter; and wherein the filter itself has an annular ledge which seats with different sizes of canister, with the closure snapped into the upper end of the filter.

REFERENCES:
patent: 5336406 (1994-08-01), Stanford et al.
patent: 5407565 (1995-04-01), Austin, Jr. et al.

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