Patent US3109192A successfully refreshed from Google Patents.
US3109192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cleaning teeth
Assignee: Individual
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Filing: 1960-08-29
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Granted: 1963-11-05
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Myron F Levenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:47
CPC Classifications
A; A61; A61C; A61C17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DEVICE FOR CLEANING TEETH BY MASTICATION COMPRISING A SUBSTANTIALLY SOLID BODY OF NON-POROUS MATERIAL THE SHAPE OF WHICH CONFORMS GENERALLY TO THE ARCUATE SHAPE OF THE HUMAN DENTURE; A PAIR OF INTEGRALLY FORMED PARAPETS PROJECTING UPWARD FROM THE LATERAL EDGES THEREOF; A PAIR OF INTEGRALLY FORMED PARAPETS PROJECTING DOWNWARD FROM THE LATERAL EDGES THEREOF, SAID DOWNWARDLY PROJECTING PARAPETS BEING IN SUBSTANTIAL REGISTRY WITH SAID UPWARDLY PROJECTING PARAPETS; ONE OR MORE MASSES OF POROUS MATERIAL ATTACHED TO THE INSIDE FACES OF SAID UPWARDLY PROJECTING PARAPETS; AND ONE OR MORE MASSES OF POROUS MATERIAL ATTACHED TO THE INSIDE FACES OF SAID DOWNWARDLY PROJECTING PARAPETS, SAID BODY OF NON-POROUS MATERIAL BEING OF SUCH LIMITED DEFORMABILITY AS TO PRECLUDE SUBSTANTIAL RELATIVE MOVEMENT OF SAID PARAPETS WHEN THE DEVICE IS IN USE.
Claim 2
Independent Claim
128 words
A DEVICE FOR CLEANING TEETH BY MASTICATION COMPRISING A SUBSTANTIALLY SOLID BODY OF NON-POROUS MATERIAL THE SHAPE OF WHICH CONFORMS GENERALLY TO THE ARCUATE SHAPE OF THE HUMAN DENTURE; A PAIR OF INTEGRALLY FORMED PARAPETS PROJECTING UPWARD FROM THE LATERAL EDGES THEREOF; A PAIR OF INTEGRALLY FORMED PARAPETS PROJECTING DOWNWARD FROM THE LATERAL EDGES THEREOF, SAID DOWNWARDLY PROJECTING PARAPETS BEING IN SUBSTANTIAL REGISTRY WITH SAID UPWARDLY PROJECTING PARAPETS; ONE OR MORE MASSES OF POROUS MATERIAL ATTACHED TO THE INSIDE FACES OF SAID UPWARDLY PROJECTING PARAPETS; AND ONE OR MORE MASSES OF POROUS MATERIAL ATTACHED TO THE INSIDE FACES OF SAID DOWNWARDLY PROJECTING PARAPETS, SAID BODY OF NON-POROUS MATERIAL BEING OF SUCH LIMITED DEFORMABILITY AS TO PRECLUDE SUBSTANTIAL RELATIVE MOVEMENT OF SAID PARAPETS WHEN THE DEVICE IS IN USE.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |