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US 4,654,921 AGranted
Toothbrushes
OwnerMark E. W. Dinnerinventor
Life of this patent
Estimating the term…
Abstract
A toothbrush comprised of a handle including an oval ring that defines an oval aperture sized for the passage therethrough of a young child's or infant's four fingers for fist gripping a half portion of the oval ring; and a brush head including an array of bristles that extends in general alignment with the major axis of the oval ring.
Claims1
A toothbrush for young children and infants comprised of:
- a handle of unitary rigid construction including an oval ring and a bridge member extending longitudinally from a forward end of said oval ring, said oval ring having an oval aperture therein having dimensions proportioned to permit a young child or infant to hold said oval ring within the grip of its four fingers over an upper half of said oval ring and through said oval aperture, and with its thumb closed about said upper half of said oval ring in the vicinity of said bridge member;
- said upper half of said oval ring having a cross-sectional circumference greater than the cross-sectional circumference of a lower half of said oval ring;
- and
- a brush head including a bristle support member extending longitudinally in a direction generally in alignment with a major axis of said oval ring, and an array of bristles supported by and extending from said bristle support member.
1 more element
Dependencies are inferred from the claim text.