Toothbrush with improved interproximal and free gingival margin

Details Toothbrush with improved interproximal and free gingival margin Toothbrush with improved interproximal and free gingival margin

1978-05-30

1980-07-01

McCarthy, Edward J.

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

A46B 904

Patent

active

042098718

ABSTRACT:
A toothbrush has a bristle bearing head terminating the supporting stem thereof which extends from a handle. The head is disposed with its major axis at right angles to the length of the stem providing lateral extensions having bristles arranged for interproximal and free gingival margin engagement of both the maxillary and mandibular teeth. The supporting stem has a portion adjacent the head offset from a handle connecting end, the latter having a snap-in bearing connection with the handle providing easy separation and assembly and relative rotation of the handle with respect to the stem and head.

REFERENCES:
patent: 632524 (1899-09-01), Goltermann
patent: 1632859 (1927-06-01), Straehly
patent: 1647453 (1927-11-01), Krantz
patent: 1651251 (1927-11-01), Calkins
patent: 2603806 (1952-07-01), Kisky
patent: 2675573 (1954-04-01), Strong
patent: 3010131 (1961-11-01), Kisky
patent: 3574879 (1971-04-01), Werding
patent: 4033007 (1977-07-01), Hadary
patent: 4115894 (1978-09-01), Peterson

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