US3727314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental tool
Assignee: ANGELES R DE
•
Filing: 1971-12-27
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Granted: 1973-04-17
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Expires: 1991-12-27
Abstract
Abstract A crown-setting tool having one end notched or concave to conform generally to the configuration of a crown which is being cemented on a tooth, to firmly hold the crown while a vibratory rod is rubbed across the face of corrugations provided in the tool, with the resulting vibrations created through the rubbing action effective to set the crown and force out excess cement without undue distress to the patient or adverse effects upon the crown or the tooth.
Inventors
- 👤 Angeles R De
- 👤 D Zbylut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:30
CPC Classifications
A; A61; A61C; A61C3/00; A61C5/00; A61C5/70
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
56 words
A dental tool of the class described comprising a. an elongated shank provided with a concavity conforming substantially to a crown being cemented to a tooth, b. said shank being corrugated circumferentially, c. and an elongated rod adapted to be rubbed longitudinally over said corrugations to set up vibrations in the shank transmitted to the crown.
Claim 2
Dependent Claim
56 words
A dental tool of the class described comprising a. an elongated shank provided with a concavity conforming substantially to a crown being cemented to a tooth, b. said shank being corrugated circumferentially, c. and an elongated rod adapted to be rubbed longitudinally over said corrugations to set up vibrations in the shank transmitted to the crown.
Claim 3
Dependent Claim
24 words
A dental tool as defined in claim 1 wherein said concavity is formed in a projection extending laterally from one end of said shank.
Claim 4
Dependent Claim
22 words
A dental tool as defined in claim 2 wherein said shank at the opposite end thereof is provided with a crown-receiving concavity.
Claim 5
Dependent Claim
21 words
A dental tool as defined in claim 1 wherein said corrugations are evenly spaced between the opposite ends of the shank.
Claim 6
Dependent Claim
21 words
A dental tool as defined in claim 2 wherein said corrugations are evenly spaced between the opposite ends of the shank.
Claim 7
Dependent Claim
21 words
A dental tool as defined in claim 3 wherein said corrugations are evenly spaced between the opposite ends of the shank.
References Cited (Backward Citations)
US874379A
Cited
US2624942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |