Patent US4427116A successfully refreshed from Google Patents.
US4427116A
Expired / Lapsed
US
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Denitrifice encapsulation
Assignee: Individual
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Filing: 1982-02-08
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Granted: 1984-01-24
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Expires: 2002-02-08
Abstract
Abstract A prdetermined amount of toothpaste sufficient for a single brushing of the teeth is encapsulated with a covering which is easily storable, non-toxic and easily breakable when chewed or bitten.
Inventors
- 👤 Walter L. Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:22
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A45; A45D; A45D37/00; A61K8/02; A61K8/11; A61Q; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A capsule containing a predetermined amount of toothpaste encapsulated in a non-toxic, semi-soluble gelatin material, said capsule being rupturable and adapted to be ruptured by the teeth when placed within the mouth of a user, thereby releasing a sufficient amount of toothpaste for a single brushing of the teeth, said capsules being gelatin material having an imperviousness enclosing said toothpaste having an aqueous content of less than ten percent water but which readily dissolves within the higher liquid environment of the mouth.
Claim 2
Dependent Claim
82 words
A capsule containing a predetermined amount of toothpaste encapsulated in a non-toxic, semi-soluble gelatin material, said capsule being rupturable and adapted to be ruptured by the teeth when placed within the mouth of a user, thereby releasing a sufficient amount of toothpaste for a single brushing of the teeth, said capsules being gelatin material having an imperviousness enclosing said toothpaste having an aqueous content of less than ten percent water but which readily dissolves within the higher liquid environment of the mouth.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |