Patent US3368280A successfully refreshed from Google Patents.
US3368280A
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Dental tool
Assignee: C&B Inc
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Filing: 1966-03-23
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Granted: 1968-02-13
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Charles M Friedman
- 👤 Richman Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:24
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/20; A61C1/00; A61C1/02; A61C1/07; B; B23; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A WORK TOOL FOR AN ULTRASONIC DENTAL DEVICE COMPRISING A SHANK PORTION ADAPTED TO BE CONNECTED TO A CONNECTING BODY IN THE DEVICE AND A SINGLE PORTION PROJECTING FROM THE SHANK AND TERMINATING IN AN ANGLED DISTAL WORK TOOL END, SAID SHANK HAVING A FLUID PATH THERETHROUGH WITH A MOUTH ARRANGED TO DIRECT A STREAM OF WATER FLOWING THROUGH THE SHANK TO IMPINGE ON THE DISTAL END.
Claim 2
Dependent Claim
67 words
A WORK TOOL FOR AN ULTRASONIC DENTAL DEVICE COMPRISING A SHANK PORTION ADAPTED TO BE CONNECTED TO A CONNECTING BODY IN THE DEVICE AND A SINGLE PORTION PROJECTING FROM THE SHANK AND TERMINATING IN AN ANGLED DISTAL WORK TOOL END, SAID SHANK HAVING A FLUID PATH THERETHROUGH WITH A MOUTH ARRANGED TO DIRECT A STREAM OF WATER FLOWING THROUGH THE SHANK TO IMPINGE ON THE DISTAL END.
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |