US3815236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental restoration jig
Assignee: Individual
•
Filing: 1973-07-16
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Granted: 1974-06-11
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Expires: 1993-07-16
Abstract
Abstract A dental restoration jig having a base to receive a plurality of cylindrical bands containing impressions of individual teeth, and a flanged dowel table for positioning and securing dowel holders, said table being slidably received in the base. The base and table permit the accurate setting of dowels into the dental impressions during casting of a tooth model so that subsequent alignment of teeth in a restoration is made easier and more accurate.
Inventors
- 👤 A Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:45
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/002
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
106 words
A dental restoration jig comprising a ring-shaped base having a central non-circular opening therein, a plurality of vertically disposed spaced bores in the base, a table member having a body portion receivable within the base opening and an outwardly extending flange, said flange having a plurality of spaced openings therein in alignment with the base bores when the table is coupled to the base, a plurality of holders slidably received within the flange openings, a dowel carried by each holder and extending into each of the base bores, said bores being adapted to receive dental impressions therein and a quantity of casting material for said impressions.
Claim 2
Dependent Claim
106 words
A dental restoration jig comprising a ring-shaped base having a central non-circular opening therein, a plurality of vertically disposed spaced bores in the base, a table member having a body portion receivable within the base opening and an outwardly extending flange, said flange having a plurality of spaced openings therein in alignment with the base bores when the table is coupled to the base, a plurality of holders slidably received within the flange openings, a dowel carried by each holder and extending into each of the base bores, said bores being adapted to receive dental impressions therein and a quantity of casting material for said impressions.
Claim 3
Dependent Claim
20 words
A jig according to claim 1 wherein the central opening in the base portion is ''''D'''' shaped in cross section.
Claim 4
Dependent Claim
29 words
A jig according to claim 1 wherein the table body is provided with a depending extension having a cross-sectional shape to mate with the central opening of the base.
Claim 5
Dependent Claim
20 words
A jig according to claim 1 wherein the bores in the base are cylindrical and the flange openings are rectangular.
Claim 6
Dependent Claim
28 words
A jig according to claim 4 wherein the holders are in the form of elongated rectangles and the dowels are carried by a resilient member within the holders.
Claim 7
Dependent Claim
22 words
A jig according to claim 5 wherein the holders are hollow and said resilient members comprise a core receivable within the holders.
References Cited (Backward Citations)
US3552018A
Cited
US3650032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |