Patent US3400996A successfully refreshed from Google Patents.
US3400996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush with integral dentifrice dispenser
Assignee: Individual
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Filing: 1966-11-15
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Granted: 1968-09-10
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Alice M Vandergrift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A46B11/0055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
A TOOTHBRUSH WITH MEANS FOR SUPPLYING DENTIFRICE THERETO COMPRISING, IN COMBINATION, A BASE MEMBER HAVING A NECKED-DOWN PORTION AND A FLATTENED BRISTLE-CARRYING AREA EXTENDING FROM ONE END THEREOF; A SLEEVE CONNECTED AT ONE END TO THE OPPOSITE END OF SAID BASE MEMBER; A FERRULE CONNECTED TO THE OPPOSITE END OF SAID SLEEVE; A DENTIFRICE CONTAINER COMMUNICATING WITH SAID FERRULE; AN INTAKE CHECK VALVE CARRIED BY SAID FERRULE; SAID BASE MEMBER AND ITS NECKED-DOWN PORTION AND FLATTENED BRISTLE-CARRYING AREA HAVING A COMMON BORE; THE BORE OF SAID SLEEVE BEING SUBSTANTIALLY LARGER THAN SAID AFOREMENTIONED COMMON BORE; A FLEXIBLE TUBE DISPOSED IN SAID SLEEVE AND COMMUNICATING WITH SAID AFOREMENTIONED BORE AND WITH THE INTERIOR OF SAID FERRULE; SAID FERRULE BEING MOUNTED IN A CUP HAVING A REARWARDLY DISPOSED CENTRALLY APERTURED BOTTOM, A SHORT TUBE DISPOSED IN THE CENTRAL APERTURE IN THE BOTTOM OF SAID CUP AND PROJECTING FORWARDLY AND REARWARDLY WITH RESPECT THERETO; SAID INTAKE CHECK VALVE BEING OPERABLE TO CLOSE THE FORWARD END OF SAID SHORT TUBE; THE REARWARD END OF SAID SHORT TUBE BEING SHARPENED FOR A CARTRIDGE-PIERCING MEANS; MEANS EXTENDING THROUGH THE WALL OF SAID SLEEVE FOR ENABLING THE MANUAL COMPRESSION OF AT LEAST A PORTION OF SAID FLEXIBLE TUBE; THE FLATTENED BRISTLE-CARRYING AREA OF SAID BASE MEMBER HAVING A RECESS ON ITS OUTER FACE AND A PASSAGE PROVIDING COMMUNICATION BETWEEN SAID RECESS AND SAID COMMON BORE; AND A DISCHARGE CHECK VALVE IN SAID RECESS; WHEREBY THE MANUAL COMPRESSION OF THE DENTIFRICE CONTAINER WILL DRAW DENTIFRICE THROUGH SAID INTAKE CHECK VALVE AND PUMP THE SAME THROUGH SAID COMMON BORE AND ONTO THE BRISTLE CARRYING AREA OF SAID BASE MEMBER.
Claim 2
Dependent Claim
270 words
A TOOTHBRUSH WITH MEANS FOR SUPPLYING DENTIFRICE THERETO COMPRISING, IN COMBINATION, A BASE MEMBER HAVING A NECKED-DOWN PORTION AND A FLATTENED BRISTLE-CARRYING AREA EXTENDING FROM ONE END THEREOF; A SLEEVE CONNECTED AT ONE END TO THE OPPOSITE END OF SAID BASE MEMBER; A FERRULE CONNECTED TO THE OPPOSITE END OF SAID SLEEVE; A DENTIFRICE CONTAINER COMMUNICATING WITH SAID FERRULE; AN INTAKE CHECK VALVE CARRIED BY SAID FERRULE; SAID BASE MEMBER AND ITS NECKED-DOWN PORTION AND FLATTENED BRISTLE-CARRYING AREA HAVING A COMMON BORE; THE BORE OF SAID SLEEVE BEING SUBSTANTIALLY LARGER THAN SAID AFOREMENTIONED COMMON BORE; A FLEXIBLE TUBE DISPOSED IN SAID SLEEVE AND COMMUNICATING WITH SAID AFOREMENTIONED BORE AND WITH THE INTERIOR OF SAID FERRULE; SAID FERRULE BEING MOUNTED IN A CUP HAVING A REARWARDLY DISPOSED CENTRALLY APERTURED BOTTOM, A SHORT TUBE DISPOSED IN THE CENTRAL APERTURE IN THE BOTTOM OF SAID CUP AND PROJECTING FORWARDLY AND REARWARDLY WITH RESPECT THERETO; SAID INTAKE CHECK VALVE BEING OPERABLE TO CLOSE THE FORWARD END OF SAID SHORT TUBE; THE REARWARD END OF SAID SHORT TUBE BEING SHARPENED FOR A CARTRIDGE-PIERCING MEANS; MEANS EXTENDING THROUGH THE WALL OF SAID SLEEVE FOR ENABLING THE MANUAL COMPRESSION OF AT LEAST A PORTION OF SAID FLEXIBLE TUBE; THE FLATTENED BRISTLE-CARRYING AREA OF SAID BASE MEMBER HAVING A RECESS ON ITS OUTER FACE AND A PASSAGE PROVIDING COMMUNICATION BETWEEN SAID RECESS AND SAID COMMON BORE; AND A DISCHARGE CHECK VALVE IN SAID RECESS; WHEREBY THE MANUAL COMPRESSION OF THE DENTIFRICE CONTAINER WILL DRAW DENTIFRICE THROUGH SAID INTAKE CHECK VALVE AND PUMP THE SAME THROUGH SAID COMMON BORE AND ONTO THE BRISTLE CARRYING AREA OF SAID BASE MEMBER.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |