US3085273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1960-10-04
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Granted: 1963-04-16
•
Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Laverne M Cowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:49
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
A BRUSH FOR USE IN THE ORAL CAVITY COMPRISING A HANDLE, A HEAD FORMED ON ONE END OF SAID HANDLE, AND A PLURALITY OF UNIFORM HEIGHT TUFTS OF BRISTLES MOUNTED ON SAID HEAD AND FORMING AN ANGLE OF APPROXIMATELY 70* WITH SAID HEAD, THE END OF EACH TUFT LYING SUBSTANTIALLY IN A PLANE TO WHICH THE AXIS OF THE TUFT IS PERPENDICULAR, SAID TUFTS OF BRISTLES BEING ARRANGED IN ROWS LONGITUDINALLY OF SAID HEAD WITH THE TUFTS IN ONE ROW INCLINED IN ONE DIRECTION AND THE TUFTS IN AN ADJACENT ROW INCLINED IN THE OPPOSITE DIRECTION, SAID TUFTS BEING MOUNTED OUT OF ALIGNMENT TRANSVERSELY OF SAID HEAD AND STAGGERED SO THAT A TUFT IN SAID ONE ROW CROSSES A TUFT IN SAID ADJACENT ROW IN XFASHION AND THEN CONTINUES ON SO AS TO CONVERGE TOWARD THE END PORTION OF THE TUFT NEXT ADJACENT TO SAID TUFT IN SAID ADJACENT ROW, THE END OF SAID TUFT IN SAID ONE ROW AND THE END OF SAID TUFT NEXT ADJACENT SAID TUFT IN SAID ADJACENT ROW TERMINATING IN MUTUALLY COOPERATIVE RELATION ADJACENT A TRANSVERSE VERTICAL PLANE PASSING THEREBETWEEN.
References Cited (Backward Citations)
FR683311A
Cited
US2242743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |