US4328604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrushes
Assignee: Individual
•
Filing: 1980-09-08
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Granted: 1982-05-11
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Expires: 2000-09-08
Abstract
Abstract A brush adapted for cleaning of the teeth, mouth, and gums of the user, comprising a toothbrush handle, ordinary toothbrush bristles affixed to one surface of a brush head at one end of said handle (hereinafter deemed the "brush end") in the usual and customary manner, and shorter, softer bristles, (hereinafter deemed "mouth bristles") for cleaning of the interior of the mouth and for massaging of the gums affixed to all surfaces of the above-mentioned brush head at the brush end of the toothbrush handle.
Inventors
- 👤 Gregory Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:16
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B9/06; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A brush for use in brushing of teeth, mouth, and gums comprising: an elongated handle having a brush head disposed on one end of said handle with two sets of bristles protruding from said brush head; said first set of bristles being of a length and stiffness suitable for brushing of teeth; said first set of bristles being attached to or protruding from one surface of the brush head; said second set of bristles being shorter and softer than said first set of bristles; and said second set of bristles being attached to or protruding from all surfaces of the brush head.
Claim 2
Dependent Claim
102 words
A brush for use in brushing of teeth, mouth, and gums comprising: an elongated handle having a brush head disposed on one end of said handle with two sets of bristles protruding from said brush head; said first set of bristles being of a length and stiffness suitable for brushing of teeth; said first set of bristles being attached to or protruding from one surface of the brush head; said second set of bristles being shorter and softer than said first set of bristles; and said second set of bristles being attached to or protruding from all surfaces of the brush head.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-10 | 1985-11-09 | 1986-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-10 | 1989-11-09 | 1990-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-10 | 1993-11-09 | 1994-05-11 | $7700.00 | Window Closed / Lapsed |