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US Patent 4664626 - System for automatically preventing overtipping and/or overuprighting in the begg technique
US Patent Issued on May 12, 1987
Estimated Patent Expiration Date:
March 19, 2005Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
March 19, 2005Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA Begg bracket for controlling the tipping and/or uprighting movements of a tooth on which the bracket is mounted which includes mesial and/or distal archwire stops at the mesial and/or distal sides of the archwire slot to limit the mesial and/or distal tipping and/or uprighting of a tooth to predetermined amounts where mesial or distal tipping force is applied to the crown of the tooth by archwires and/or elastic auxiliaries to principally move the crown, and mesial or distal uprighting forces are applied to a tooth to principally move the root of the tooth.Other References
| InventorApplicationNo. 06/713480 filed on 03/19/1985US Classes:433/16, Having adjustable or angular arch wire guide433/14, Lock pin433/18, Means to transmit or apply force to tooth433/8BracketField of Search433/8, Bracket433/9, Cemented to tooth433/10, Having means to secure arch wire433/11, Resiliently biased clamping member433/12, Tension adjustment nut433/13, Separable securing means433/14, Lock pin433/15, Ligature wire433/16, Having adjustable or angular arch wire guide433/18Means to transmit or apply force to toothExaminersPrimary: Wilson, John J.Attorney, Agent or FirmUS Patent References2854747, 2926422, 3085335, 3085336, 3178821, 3307261, 3445933, 3793730, 4242085, Multi-purpose orthodontic bracketIssued on: 12/30/1980 Inventor: Wallshein4531911Combination single/twin edgewise orthodontic bracket Issued on: 07/30/1985 Inventor: Creekmore International ClassesA61C 7/12 (20060101)A61C 7/00 (20060101) |
