Patent US5066227A successfully refreshed from Google Patents.
US5066227A
Expired / Lapsed
US
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Dental tooth shade matching system
Assignee: AMERICAN TOOTH INDUSTRIES
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Filing: 1991-04-17
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Granted: 1991-11-19
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Expires: 2011-04-17
Abstract
Abstract A system for selecting a tooth color for a patient for whom artificial teeth are to be made which is provided with a holder having a plurality of slots and identical dual shade guides. The shade guides are removably supported in the slots and include areas on the surface for recording a patient's identifying data and the tooth data. When in use, one of the guides is removed from the holder and sent to the technician for use in making the teeth for the patient, while the other of the guides is retained by the dentist.
Inventors
- 👤 Bruno Pozzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:17
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
108 words
A system for use by a dentist in selecting a tooth color for a patient for whom artificial teeth are to be made, said system comprising a holder and dual identical shade guides being identically shaded and removably supported in said holder, each of said dual shade guides including an elongated handle having a tooth sample supported on one end thereof and identical indicia, said shade guides being removable from said holder for one to be sent to the tooth manufacture for use as a guide in making teeth for said patient while the other of said shade guides may be retained by the dentist in said frame.
Claim 2
Independent Claim
108 words
A system for use by a dentist in selecting a tooth color for a patient for whom artificial teeth are to be made, said system comprising a holder and dual identical shade guides being identically shaded and removably supported in said holder, each of said dual shade guides including an elongated handle having a tooth sample supported on one end thereof and identical indicia, said shade guides being removable from said holder for one to be sent to the tooth manufacture for use as a guide in making teeth for said patient while the other of said shade guides may be retained by the dentist in said frame.
Claim 3
Dependent Claim
20 words
A system according to claim 1, wherein the holder also includes an area for recording the patient's personal identifying data.
Claim 4
Independent Claim
140 words
A system for use by a dentist for selecting a tooth color for a patient for whom artificial teeth are to be made, said system comprising a plastic holder having a generally rectangular shape and a plurality of elongated slots, and dual identical shade guides being identically shaded and removably supported in said respective slots, each of said dual shade guides including a flat, elongated member, a tooth sample removably supported on one end thereof, said tooth identified by a central code and having a shade substantially the same as the teeth of said patient, and when in use, one of said shade guide being removed from said frame and sent to the laboratory for use as a guide in making teeth for said patient while the other of said shade guide is retained by the dentist in said frame.
Claim 5
Independent Claim
140 words
A system for use by a dentist for selecting a tooth color for a patient for whom artificial teeth are to be made, said system comprising a plastic holder having a generally rectangular shape and a plurality of elongated slots, and dual identical shade guides being identically shaded and removably supported in said respective slots, each of said dual shade guides including a flat, elongated member, a tooth sample removably supported on one end thereof, said tooth identified by a central code and having a shade substantially the same as the teeth of said patient, and when in use, one of said shade guide being removed from said frame and sent to the laboratory for use as a guide in making teeth for said patient while the other of said shade guide is retained by the dentist in said frame.
Claim 6
Dependent Claim
21 words
A system according to claim 3, wherein the holder also includes a surface area for recording the patient's personal identifying data.
References Cited (Backward Citations)
US4115922A
Cited
US4541801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-11-18 | 1995-05-20 | 1995-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-11-18 | 1999-05-20 | 1999-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-11-18 | 2003-05-20 | 2003-11-19 | $7700.00 | Window Closed / Lapsed |