Patent US3505046A successfully refreshed from Google Patents.
US3401690A
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Ultrasonic dental cleaning and treatment device
Assignee: LEONARD G MARTIN
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Filing: 1966-04-20
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Granted: 1968-09-17
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Leonard G Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/30; A61N1/303; A61C; A61C17/00; A61C17/16; A61C17/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DENTAL CLEANING DEVICE COMPRISING: A CLAMP WHICH COVERS AT LEAST ONE TOOTH, SAID CLAMP INCLUDING TWO JAWS COUPLED TOGETHER BY RESILIENT MEANS; AN ENVELOPE SECURED TO THE INSIDE SURFACE OF EACH CLAMP, SAID ENVELOPES EACH INCLUDING A PERFORATED FLEXIBLE SHEET POSITIONED NEXT TO THE TOOTH SURFACE WHEN APPLIED TO A JAW, THE INTERIOR SPACE WITHIN EACH OF THE ENVELOPES CONNECTED TO A CONDUIT AND A LIQUID SOURCE; AN ELECTRIC-TO-SONIC TRANSDUCER IN EACH OF SAID ENVELOPES FOR GENERATING HIGH FREQUENCY VIBRATIONS WITHIN THE ENVELOPES, AND A PAIR OF CONDUCTORS CONNECTED TO SAID TRANSDUCERS FOR CONNECTION TO AN EXTERNAL SOURCE OF ALTERNATING CURRENT POWER.
Claim 2
Dependent Claim
103 words
A DENTAL CLEANING DEVICE COMPRISING: A CLAMP WHICH COVERS AT LEAST ONE TOOTH, SAID CLAMP INCLUDING TWO JAWS COUPLED TOGETHER BY RESILIENT MEANS; AN ENVELOPE SECURED TO THE INSIDE SURFACE OF EACH CLAMP, SAID ENVELOPES EACH INCLUDING A PERFORATED FLEXIBLE SHEET POSITIONED NEXT TO THE TOOTH SURFACE WHEN APPLIED TO A JAW, THE INTERIOR SPACE WITHIN EACH OF THE ENVELOPES CONNECTED TO A CONDUIT AND A LIQUID SOURCE; AN ELECTRIC-TO-SONIC TRANSDUCER IN EACH OF SAID ENVELOPES FOR GENERATING HIGH FREQUENCY VIBRATIONS WITHIN THE ENVELOPES, AND A PAIR OF CONDUCTORS CONNECTED TO SAID TRANSDUCERS FOR CONNECTION TO AN EXTERNAL SOURCE OF ALTERNATING CURRENT POWER.
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |