US3401690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic dental cleaning and treatment device
Assignee: LEONARD G MARTIN
•
Filing: 1966-04-20
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Granted: 1968-09-17
•
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 09:07
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)
US3335443A
Cited
FR402802A
Cited
US2532507A
Cited
FR1069323A
Cited
US2751685A
Cited
FR1291311A
Cited
US3236944A
Cited
US3234942A
Cited
FR1441413A
Cited
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 |