Patent US2839157A successfully refreshed from Google Patents.
Patent US3860013A successfully refreshed from Google Patents.
US3860013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental strip
Assignee: Individual
•
Filing: 1972-07-17
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Granted: 1975-01-14
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Expires: 1992-07-17
Abstract
Abstract A dental strip of a rubber like material having handle means and a thin stretchable section therebetween for introduction between the teeth for cleaning thereof.
Inventors
- 👤 Henry P Czapor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:23
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/041
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
73 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means being a semi-circular sheet like body of the elastic material, each end of the arcuate margin of the semi-circular portion being joined to the adjacent arcuate margin to form a cleaning section in that area.
Claim 2
Dependent Claim
73 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means being a semi-circular sheet like body of the elastic material, each end of the arcuate margin of the semi-circular portion being joined to the adjacent arcuate margin to form a cleaning section in that area.
Claim 3
Dependent Claim
95 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleanIng thereof, the said handle means being formed by the material lying between an outer square section and an inner circular wall, said circular wall being proximately tangential to the sides of the square thus providing corners to be used as handles in operating the cleaning sections lying between the square sides and circular wall in the cleaning operation of the teeth.
Claim 4
Dependent Claim
95 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleanIng thereof, the said handle means being formed by the material lying between an outer square section and an inner circular wall, said circular wall being proximately tangential to the sides of the square thus providing corners to be used as handles in operating the cleaning sections lying between the square sides and circular wall in the cleaning operation of the teeth.
Claim 5
Dependent Claim
60 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means comprising diametrically opposed portions of a tube with circumferential side by side slits formed in said tubular section between said handle portions.
Claim 6
Dependent Claim
60 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means comprising diametrically opposed portions of a tube with circumferential side by side slits formed in said tubular section between said handle portions.
Claim 7
Dependent Claim
68 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means comprising handle sections spaced apart on an elongated strip and longitudinal slits formed in the strip between the handle section to provide readily stretchable cleaning sections between said handle portions.
Claim 8
Dependent Claim
68 words
A dental strip comprising a cleaning section of flexible and stretchable elastic material, and handle means integral with said section for gripping by the user while introducing said section between the teeth for cleaning thereof, said handle means comprising handle sections spaced apart on an elongated strip and longitudinal slits formed in the strip between the handle section to provide readily stretchable cleaning sections between said handle portions.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |