Patent US4906190A successfully refreshed from Google Patents.
US4906190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental prosthesis
Assignee: Individual
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Filing: 1988-10-11
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Granted: 1990-03-06
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Expires: 2008-10-11
Abstract
Abstract A synthetic tooth for replacing an actual tooth by inserting a flexible crowned member into the socket of the removed tooth. The synthetic tooth is conformed to the tooth socket and filled to replace the actual tooth therein.
Inventors
- 👤 Claus G. Michna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:48
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0036
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
68 words
A synthetic tooth comprised of a crown, a flexible sack securely sealed to said crown and filled with a plastic material to conform with any shape and form of a tooth socket, said sack being hardened when conformed to said socket and includes an air/liquid venting means, whereby the air pressure and liquid build-up in the space between the sack and bottom of the tooth socket are vented.
Claim 2
Dependent Claim
68 words
A synthetic tooth comprised of a crown, a flexible sack securely sealed to said crown and filled with a plastic material to conform with any shape and form of a tooth socket, said sack being hardened when conformed to said socket and includes an air/liquid venting means, whereby the air pressure and liquid build-up in the space between the sack and bottom of the tooth socket are vented.
Claim 3
Dependent Claim
35 words
The synthetic tooth of claim 1, wherein the flexible sack is composed of a material which can be expanded to fill all sockets of removed teeth and securely adhere to the walls of the sockets.
Claim 4
Dependent Claim
24 words
The synthetic tooth of claim 1, wherein the flexible sack is composed of a material that is compatible with the walls of the socket.
Claim 5
Dependent Claim
18 words
The synthetic tooth of claim 1, wherein said crown and flexible sack are composed of the sam material.
Claim 6
Dependent Claim
28 words
The synthetic tooth of claim 1, wherein the crown is made of a material selected from the group consisting of a plastic, iron, gold, silver, titanium, and porcelain.
Claim 7
Dependent Claim
34 words
The synthetic tooth of claim 1, wherein the air/liquid venting means comprise flexible tubings each having a head sealed in bottom of said flexible sack and tube openings for each tube in said crown.
Claim 8
Independent Claim
134 words
A method for preparing a synthetic tooth composed of a crown and flexible sack secured thereto, that is arranged to fit securely in the socket of a removed tooth, said method comprising: (a) heating said flexible sack to a state where such is able to be conformed with the walls of the tooth socket and thereafter hardened on cooling; (b) placing said crown and heated sack over said socket; (c) injecting air through an opening of said crown to expand said heated sack snugly in said socket; (d) venting any air/liquid build-up in the bottom of the tooth socket; and (e) injecting a heated plastic material through a crown opening to fill said sack and form a hardened tooth in said socket, whereby said tooth is secure in the socket of the removed tooth.
Claim 9
Independent Claim
134 words
A method for preparing a synthetic tooth composed of a crown and flexible sack secured thereto, that is arranged to fit securely in the socket of a removed tooth, said method comprising: (a) heating said flexible sack to a state where such is able to be conformed with the walls of the tooth socket and thereafter hardened on cooling; (b) placing said crown and heated sack over said socket; (c) injecting air through an opening of said crown to expand said heated sack snugly in said socket; (d) venting any air/liquid build-up in the bottom of the tooth socket; and (e) injecting a heated plastic material through a crown opening to fill said sack and form a hardened tooth in said socket, whereby said tooth is secure in the socket of the removed tooth.
References Cited (Backward Citations)
US3343263A
Cited
US3628248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |