Multi-purpose orthodontic bracket
Patent 4242085 Issued on December 30, 1980. Estimated Expiration Date: 
November 13, 1998. Estimated 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.
November 13, 1998. Estimated 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.Patent ReferencesInventorApplicationNo. 05/959671 filed on 11/13/1978US Classes:433/14, Lock pin433/16Having adjustable or angular arch wire guideExaminersPrimary: Peshock, RobertAttorney, Agent or FirmInternational ClassesA61C 7/12 (20060101)A61C 7/00 (20060101) AbstractA multi-purpose orthodontic bracket has first and second arch wire receiving openings formed therein, the first arch wire receiving opening being larger than the second arch wire receiving opening. An arch wire contact surface is defined over a minor portion of the width of the bracket and is in communication with the second arch wire receiving opening. A support is provided on at least one of the front and rear portions of the bracket for at least partially defining the first arch wire receiving opening, the support including at least a plurality of support areas distributed along at least a major portion of the width of the bracket for receiving and supporting an arch wire thereon. The bracket further includes a retaining pin receiving slot which extends substantially perpendicularly to the arch wire receiving openings. Further disclosed are retaining pin structures and a further novel bracket configuration which has an integral bent-up arch wire contact surface. | |
