US3302230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1965-10-20
•
Granted: 1967-02-07
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Poppelmann Ake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:19
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B1/00; A46D; A46D1/00; A46D1/02; A46D1/0238
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TOOTHBRUSH OF THERMOPLASTIC MATERIAL COMPRISING A BACK HAVING BRISTLES IN WHICH THE BRISTLES TAPER TOWARD THE APICES AND HAVE A CROSS SECTION IN THE SHAPE OF A POLYGON WITH AT LEAST TWO ACUTE ANGLES AND IN WHICH THE BRISTLES ARE PROVIDED WITH A COATING OF A DENTIFRICE, EACH OF SAID BRISTLES TAPERING FROM THE BASE TO THE APEX, AND THE CROSS SECTION AT THE BASE IS APPROXIMATELY 0.2 MM.2, EACH SAID BRISTLE HAVING A SHORE C HARDNESS OF 85 TO
Claim 2
Dependent Claim
81 words
A TOOTHBRUSH OF THERMOPLASTIC MATERIAL COMPRISING A BACK HAVING BRISTLES IN WHICH THE BRISTLES TAPER TOWARD THE APICES AND HAVE A CROSS SECTION IN THE SHAPE OF A POLYGON WITH AT LEAST TWO ACUTE ANGLES AND IN WHICH THE BRISTLES ARE PROVIDED WITH A COATING OF A DENTIFRICE, EACH OF SAID BRISTLES TAPERING FROM THE BASE TO THE APEX, AND THE CROSS SECTION AT THE BASE IS APPROXIMATELY 0.2 MM.2, EACH SAID BRISTLE HAVING A SHORE C HARDNESS OF 85 TO
References Cited (Backward Citations)
DE571724C
Cited
CA549168A
Cited
US3125776A
Cited
US1773969A
Cited
CH203802A
Cited
US2225331A
Cited
US2317485A
Cited
US2845649A
Cited
US2876477A
Cited
US2915767A
Cited
US3103935A
Cited
US3105260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |