Patent US3891085A successfully refreshed from Google Patents.
US3891085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1973-05-15
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Granted: 1975-06-24
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Expires: 1993-05-15
Abstract
Abstract A toothbrush comprising a main body divided into a handle section and an integral brush head section having upstanding brush bristles secured thereto. The handle section is of hollow tubular form for holding a dentifrice and has a discharge opening therein for ejecting the dentifrice between said brush bristles when the tubular handle section is compressed.
Inventors
- 👤 Leon H Boger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:11
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A46B11/0041; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A disposable toothbrush for one time use, said toothbrush comprising in combination, A MAIN BODY INCLUDING A TUBULAR SECTION OF A COMPRESSIBLE NATURE CONSTITUTING A HANDLE AND ADAPTED TO STORE A QUANTITY OF DENTIFRICE, SAID TUBULAR SECTION TERMINATING AT ONE END IN A FLATTENED PORTION TO SEAL SAID ONE END, SAID MAIN BODY TERMINATING AT ITS OPPOSITE END IN A FLATTENED HEAD SECTION INTERIORLY COATED WITH AN ADHESIVE FOR THE PURPOSE OF RETAINING THE HEAD SECTION IN A FLATTENED, SEALED CONFIGURATION, SAID TUBULAR SECTION OF THE MAIN BODY DEFINING AN OPENING ADJACENT THE HEAD SECTION FOR THE DISCHARGE OF THE DENTIFRICE FROM THE TUBULAR SECTION UPON THE LATTER BEING MANUALLY COMPRESSED, AND TAPE MOUNTED BRISTLES AFFIXED TO SAID FLATTENED HEAD SECTION TO RECEIVE DENTIFRICE FROM THE DISCHARGE OPENING.
Claim 2
Dependent Claim
128 words
A disposable toothbrush for one time use, said toothbrush comprising in combination, A MAIN BODY INCLUDING A TUBULAR SECTION OF A COMPRESSIBLE NATURE CONSTITUTING A HANDLE AND ADAPTED TO STORE A QUANTITY OF DENTIFRICE, SAID TUBULAR SECTION TERMINATING AT ONE END IN A FLATTENED PORTION TO SEAL SAID ONE END, SAID MAIN BODY TERMINATING AT ITS OPPOSITE END IN A FLATTENED HEAD SECTION INTERIORLY COATED WITH AN ADHESIVE FOR THE PURPOSE OF RETAINING THE HEAD SECTION IN A FLATTENED, SEALED CONFIGURATION, SAID TUBULAR SECTION OF THE MAIN BODY DEFINING AN OPENING ADJACENT THE HEAD SECTION FOR THE DISCHARGE OF THE DENTIFRICE FROM THE TUBULAR SECTION UPON THE LATTER BEING MANUALLY COMPRESSED, AND TAPE MOUNTED BRISTLES AFFIXED TO SAID FLATTENED HEAD SECTION TO RECEIVE DENTIFRICE FROM THE DISCHARGE OPENING.
References Cited (Backward Citations)
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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) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |