Patent US3100309A successfully refreshed from Google Patents.
US3100309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1959-08-27
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Granted: 1963-08-13
•
Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 James C Gambino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:06
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A TOOTHBRUSH PARTICULARLY ADAPTED FOR BRUSHING THE TEETH IN VERTICAL STROKES, COMPRISING: A SUBSTANTIALLY RECTANGULAR-SHAPED BASE HAVING A FACE AND A BACK, SAID FACE CARRYING TUFTS ARRANGED IN THREE LONGITUDINAL PARALLEL ROWS OF TUFTS HAVING THEIR INNER ENDS THEREOF SECURED IN SAID BASE AND EXTENDING OUTWARDLY FROM SAID FACE; THE OUTER ENDS OF SAID TUFTS IN THE OUTER OF SAID PARALLEL ROWS BEING BENT INWARDLY TOWARD THE INNER PARALLEL ROW OF TUFTS WITH THE TIPS OF SAID PARALLEL OUTER ROWS OF BENT TUFTS BEING SPACED APART; THE TUFTS IN THE INNER OF SAID PARALLEL ROWS BEING STRAIGHT AND EXTENDING NORMAL TO SAID FACE; AND A HANDLE EXTENDING OUTWARDLY FROM ONE SIDE OF SAID BASE NORMAL TO SAID THREE PARALLEL ROWS OF TUFTS AND BEING BENT AT AN ACUTE ANGLE TO THE PLANE OF SAID BASE IN A DIRECTION AWAY FROM THAT OF SAID TUFTS, SAID TIPS OF SAID OUTER ROWS OF BENT TUFTS PROVIDING A MASSAGING ACTION ON THE GUMS AND A SCRAPING ACTION ON THE TEETH.
Claim 2
Dependent Claim
167 words
A TOOTHBRUSH PARTICULARLY ADAPTED FOR BRUSHING THE TEETH IN VERTICAL STROKES, COMPRISING: A SUBSTANTIALLY RECTANGULAR-SHAPED BASE HAVING A FACE AND A BACK, SAID FACE CARRYING TUFTS ARRANGED IN THREE LONGITUDINAL PARALLEL ROWS OF TUFTS HAVING THEIR INNER ENDS THEREOF SECURED IN SAID BASE AND EXTENDING OUTWARDLY FROM SAID FACE; THE OUTER ENDS OF SAID TUFTS IN THE OUTER OF SAID PARALLEL ROWS BEING BENT INWARDLY TOWARD THE INNER PARALLEL ROW OF TUFTS WITH THE TIPS OF SAID PARALLEL OUTER ROWS OF BENT TUFTS BEING SPACED APART; THE TUFTS IN THE INNER OF SAID PARALLEL ROWS BEING STRAIGHT AND EXTENDING NORMAL TO SAID FACE; AND A HANDLE EXTENDING OUTWARDLY FROM ONE SIDE OF SAID BASE NORMAL TO SAID THREE PARALLEL ROWS OF TUFTS AND BEING BENT AT AN ACUTE ANGLE TO THE PLANE OF SAID BASE IN A DIRECTION AWAY FROM THAT OF SAID TUFTS, SAID TIPS OF SAID OUTER ROWS OF BENT TUFTS PROVIDING A MASSAGING ACTION ON THE GUMS AND A SCRAPING ACTION ON THE TEETH.
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |