US3146478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1962-10-24
•
Granted: 1964-09-01
•
Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Sol Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:00
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/0004; A46B5/0012; A46B5/002; A46B9/00; A46B9/02; A46B9/04; A46B9/045; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN IMPROVED TOOTHBRUSH FOR SIMULTANEOUSLY BRUSHING THE INNER AND OUTER SURFACES OF ROWS OF HUMAN TEETH, WHICH TOOTHBRUSH COMPRISES A PAIR OF GENERALLY PARALLEL ARMS, A HANDLE CONNECTING SAID ARMS NEAR ONE END THEREOF AND RESILIENTLY SPACING THE FREE ENDS THEREOF OF A PREDETERMINED DISTANCE APART SO AS TO FORM A GAP SUBSTANTIALLY LARGER THAN THE THICKNESS OF THE TEETH AND GUMS, SAID HANDLE BEING ADAPTED TO BE SQUEEZED SO AS TO NARROW SAID GAP, A PAIR OF BRISTLE-CONTAINING BRUSHING ELEMENTS MOUNTED IN OPPOSED RELATION ON SAID ARMS NEAR THE FREE ENDS THEREOF, SAID BRISTLES EXTENDING A PRESELECTED DISTANCE INTO SAID GAP SO AS TO NARROW SAID GAP TO A WIDTH SLIGHTLY LARGER THAN THE THICKNESS OF THE TEETH AND GUMS, AND A PAIR OF SOFT, RESILIENT MASSAGE TIPS MOUNTED AT THE ENDS OF SAID ARMS, SAID TIPS EXTENDING A GREATER DISTANCE INTO SAID GAP THAN SAID BRISTLES.
Claim 2
Dependent Claim
148 words
AN IMPROVED TOOTHBRUSH FOR SIMULTANEOUSLY BRUSHING THE INNER AND OUTER SURFACES OF ROWS OF HUMAN TEETH, WHICH TOOTHBRUSH COMPRISES A PAIR OF GENERALLY PARALLEL ARMS, A HANDLE CONNECTING SAID ARMS NEAR ONE END THEREOF AND RESILIENTLY SPACING THE FREE ENDS THEREOF OF A PREDETERMINED DISTANCE APART SO AS TO FORM A GAP SUBSTANTIALLY LARGER THAN THE THICKNESS OF THE TEETH AND GUMS, SAID HANDLE BEING ADAPTED TO BE SQUEEZED SO AS TO NARROW SAID GAP, A PAIR OF BRISTLE-CONTAINING BRUSHING ELEMENTS MOUNTED IN OPPOSED RELATION ON SAID ARMS NEAR THE FREE ENDS THEREOF, SAID BRISTLES EXTENDING A PRESELECTED DISTANCE INTO SAID GAP SO AS TO NARROW SAID GAP TO A WIDTH SLIGHTLY LARGER THAN THE THICKNESS OF THE TEETH AND GUMS, AND A PAIR OF SOFT, RESILIENT MASSAGE TIPS MOUNTED AT THE ENDS OF SAID ARMS, SAID TIPS EXTENDING A GREATER DISTANCE INTO SAID GAP THAN SAID BRISTLES.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |