US3075288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental instrument
Assignee: Cavitron Ultrasonics Inc
•
Filing: 1954-12-24
•
Granted: 1963-01-29
•
Expires: 1974-12-24
Abstract
No abstract record available.
Inventors
- 👤 Balamuth Lewis
- 👤 Kuris Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:49
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/07; Y; Y10; Y10S; Y10S83/00; Y10S83/956
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A DENTAL INSTRUMENT COMPRISING A MAGNETOSTRICTIVE TRANSDUCER WHICH INCLUDES A VIBRATOR SECTION FORMED OF MAGNETOSTRICTIVE MATERIAL AND AN ENERGIZING COIL IN SURROUNDING RELATION THERETO, MEANS FOR CONNECTING SAID ENERGIZING COIL TO A SOURCE OF HIGH FREQUENCY ELECTRICAL OSCILLATIONS, AN ACOUSTIC TRANSMISSION SECTION FIXED TO ONE END OF SAID VIBRATOR SECTION, SAID VIBRATOR SECTION AND TRANSMISSION SECTION EXTENDING INTO AN OPEN ENDED CASING OF A SIZE ADAPTED TO BE HELD IN AND MANIPULATED BY THE HAND OF AN OPERATOR, A DENTAL TOOL MOUNTED ON THE OTHER END OF SAID TRANSMISSION SECTION AND PROTRUDING BEYOND THE ADJACENT OPEN END OF THE CASING, A CLOSURE FOR THE OTHER END OF THE CASING, INLET AND OUTLET MEANS EXTENDING THROUGH SAID CLOSURE FOR CIRCULATING A COOLANT ADJACENT SAID VIBRATOR SECTION, SUPPORT MEANS FOR THE TRANSMISSION SECTION AND VIBRATOR SECTION INTERPOSED BETWEEN THE INNER WALL OF SAID CASING AND THE TRANSMISSION SECTION AND POSITIONED SUBSTANTIALLY AT THE NODE OF MOTION OF LONGITUDINAL WAVES PRESENT IN SAID TRANSMISSION SECTION WHEN SAID COIL IS CONNECTED TO SAID SOURCE, SAID SUPPORT MEANS FORMING A SEAL BETWEEN THE TRANSMISSION SECTION AND CASING, AND TUBING CONNECTED TO THE COOLANT INLET AND OUTLET MEANS IN SAID END CLOSURE.
Claim 2
Dependent Claim
196 words
A DENTAL INSTRUMENT COMPRISING A MAGNETOSTRICTIVE TRANSDUCER WHICH INCLUDES A VIBRATOR SECTION FORMED OF MAGNETOSTRICTIVE MATERIAL AND AN ENERGIZING COIL IN SURROUNDING RELATION THERETO, MEANS FOR CONNECTING SAID ENERGIZING COIL TO A SOURCE OF HIGH FREQUENCY ELECTRICAL OSCILLATIONS, AN ACOUSTIC TRANSMISSION SECTION FIXED TO ONE END OF SAID VIBRATOR SECTION, SAID VIBRATOR SECTION AND TRANSMISSION SECTION EXTENDING INTO AN OPEN ENDED CASING OF A SIZE ADAPTED TO BE HELD IN AND MANIPULATED BY THE HAND OF AN OPERATOR, A DENTAL TOOL MOUNTED ON THE OTHER END OF SAID TRANSMISSION SECTION AND PROTRUDING BEYOND THE ADJACENT OPEN END OF THE CASING, A CLOSURE FOR THE OTHER END OF THE CASING, INLET AND OUTLET MEANS EXTENDING THROUGH SAID CLOSURE FOR CIRCULATING A COOLANT ADJACENT SAID VIBRATOR SECTION, SUPPORT MEANS FOR THE TRANSMISSION SECTION AND VIBRATOR SECTION INTERPOSED BETWEEN THE INNER WALL OF SAID CASING AND THE TRANSMISSION SECTION AND POSITIONED SUBSTANTIALLY AT THE NODE OF MOTION OF LONGITUDINAL WAVES PRESENT IN SAID TRANSMISSION SECTION WHEN SAID COIL IS CONNECTED TO SAID SOURCE, SAID SUPPORT MEANS FORMING A SEAL BETWEEN THE TRANSMISSION SECTION AND CASING, AND TUBING CONNECTED TO THE COOLANT INLET AND OUTLET MEANS IN SAID END CLOSURE.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |