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US 4,263,691 AGranted
Brush
OwnerSeree Pakarnsereeinventor
Life of this patent
Estimating the term…
Abstract
A toothbrush comprises a handle and bristles mounted near one end of the handle. Each bristle has a core and a sheath of an elastomer, the elastomer being softer than the core material. The handle or at least the portion of the handle carrying the bristles, has a covering of an elastomer.
Claims6
A brush comprising:
- a handle including a plurality of bristles mounted adjacent to one end of said handle, each of said bristles having a core surrounded by a sheath;
- said handle including a metal strip having a plurality of apertures, said bristles being mounted in said apertures;
- and
- a body of elastomer material disposed around and embedding the metal strip together with the portion of the bristles which are located in said apertures.
1 more element
Dependencies are inferred from the claim text.