US3174174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth brush with disposable head
Assignee: Individual
•
Filing: 1963-06-17
•
Granted: 1965-03-23
•
Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Dengler Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:06
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TOOTH BRUSH COMPRISING: A TUBULAR HANDLE; A TUBULAR, TELESCOPING MEMBER REMOVABLY INSERTED IN SAID HANDLE; A BRUSH HEAD HOLDER REMOVABLY HELD IN SAID TELESCOPING MEMBER AND HANDLE AND INCLUDING A PAIR OF LONGITUDINALLY DISPOSED LOOPS, ONE LOOP PROJECTING FROM SAID TELESCOPING MEMBER AND SAID HANDLE, THE OTHER LOOP HAVING A RESILIENT RETAINING PORTION REMOVABLY ENGAGEABLE WITH SAID TELESCOPING MEMBER; A DETACHABLE BRUCH HEAD INCLUDING POROUS MATERIAL IMPREGNATED WITH DENTIFRICE, SAID POROUS MATERIAL HAVING ONE SURFACE WITH TOOTH CLEANIN BRISTLES PROTRUDING THEREFROM AND A SMOOTH OPPOSITE SURFACE SUBSTANTIALLY V-SHAPED IN CROSS SECTION WITH THE APEX OUTERMOST; SAID PROJECTING LOOP ENCIRCLING AND GRIPPING SAID HEAD TIGHTLY INTERMEDIATE THE SAID SURFACES.
Claim 2
Dependent Claim
109 words
A TOOTH BRUSH COMPRISING: A TUBULAR HANDLE; A TUBULAR, TELESCOPING MEMBER REMOVABLY INSERTED IN SAID HANDLE; A BRUSH HEAD HOLDER REMOVABLY HELD IN SAID TELESCOPING MEMBER AND HANDLE AND INCLUDING A PAIR OF LONGITUDINALLY DISPOSED LOOPS, ONE LOOP PROJECTING FROM SAID TELESCOPING MEMBER AND SAID HANDLE, THE OTHER LOOP HAVING A RESILIENT RETAINING PORTION REMOVABLY ENGAGEABLE WITH SAID TELESCOPING MEMBER; A DETACHABLE BRUCH HEAD INCLUDING POROUS MATERIAL IMPREGNATED WITH DENTIFRICE, SAID POROUS MATERIAL HAVING ONE SURFACE WITH TOOTH CLEANIN BRISTLES PROTRUDING THEREFROM AND A SMOOTH OPPOSITE SURFACE SUBSTANTIALLY V-SHAPED IN CROSS SECTION WITH THE APEX OUTERMOST; SAID PROJECTING LOOP ENCIRCLING AND GRIPPING SAID HEAD TIGHTLY INTERMEDIATE THE SAID SURFACES.
References Cited (Backward Citations)
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |