Patent US5417712A successfully refreshed from Google Patents.
US3335443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic brush
Assignee: Cooper Lasersonics Inc
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Filing: —
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Granted: 1967-08-15
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Expires: 1984-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/32; A61C17/34; A61C17/3409; A61C17/3481; A61C17/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A READILY REPLACEABLE BRUSH FOR USE WITH AN ULTRASONIC DRIVING MEMBER IN A DENTAL IMPLEMENT COMPRISING: (A) A PLURALITY OF BRISTLE CLUSTERS, (B) A BASE PORTION CAPABLE OF SUPPORTING ULTRASONIC VIBRATIONS AND ADAPTED TO BE SET INTO VIBRATION IN A GIVEN DIRECTION AT ULTRASONIC FREQUENCIES BY THE DRIVING MEMBER, SAID BASE PORTION BEING PROVIDED WITH A SERIES OF APERTURES FOR RESPECTIVELY RECEIVING AN END OF EACH OF SAID BRISTLE CLUSTERS, (C) MEANS TO CONTROL THE MOVEMENT OF THE BRISTLES AT THE BASE PORTION TO PREVENT THE DEVELOPMENT OF EXCESSIVE STRESS CONCENTRATIONS, AND (D) MEANS FOR COUPLING THE VIBRATIONS INDUCED IN SAID BASE PORTION TO SAID BRISTLE CLUSTERS, SAID COUPLING MEANS COMPRISED OF A BONDING AGENT CAPABLE OF SUPPORTING ULTRASONIC VIBRATIONS FOR FIRMLY SECURING THE ENDS OF THE BRISTLE CLUSTERS TO THE BASE PORTION, WHEREBY ULTRASONIC VIBRATORY MOTION IS IMPARTED TO THE BRISTLE CLUSTERS.
Claim 2
Dependent Claim
143 words
A READILY REPLACEABLE BRUSH FOR USE WITH AN ULTRASONIC DRIVING MEMBER IN A DENTAL IMPLEMENT COMPRISING: (A) A PLURALITY OF BRISTLE CLUSTERS, (B) A BASE PORTION CAPABLE OF SUPPORTING ULTRASONIC VIBRATIONS AND ADAPTED TO BE SET INTO VIBRATION IN A GIVEN DIRECTION AT ULTRASONIC FREQUENCIES BY THE DRIVING MEMBER, SAID BASE PORTION BEING PROVIDED WITH A SERIES OF APERTURES FOR RESPECTIVELY RECEIVING AN END OF EACH OF SAID BRISTLE CLUSTERS, (C) MEANS TO CONTROL THE MOVEMENT OF THE BRISTLES AT THE BASE PORTION TO PREVENT THE DEVELOPMENT OF EXCESSIVE STRESS CONCENTRATIONS, AND (D) MEANS FOR COUPLING THE VIBRATIONS INDUCED IN SAID BASE PORTION TO SAID BRISTLE CLUSTERS, SAID COUPLING MEANS COMPRISED OF A BONDING AGENT CAPABLE OF SUPPORTING ULTRASONIC VIBRATIONS FOR FIRMLY SECURING THE ENDS OF THE BRISTLE CLUSTERS TO THE BASE PORTION, WHEREBY ULTRASONIC VIBRATORY MOTION IS IMPARTED TO THE BRISTLE CLUSTERS.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |