Instrument for positioning an X-ray camera in dental X-ray photography
Patent 4295050 Issued on October 13, 1981. Estimated Expiration Date: 
February 15, 2000. 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.
February 15, 2000. 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 References 1404171 1405217 InventorApplicationNo. 06/121880 filed on 02/15/1980US Classes:378/205, Alignment378/170With aligningExaminersPrimary: Smith, Alfred E.Assistant: Grigsby, T. N. Attorney, Agent or FirmInternational ClassesG03B 42/04 (20060101)A61B 6/14 (20060101) Foreign Application Priority Data1979-02-27 SEAbstractAn instrument for use in odontologic X-ray photography comprises an elongated plate-like bite block extending at right angles to an X-ray film support and integrally connected to an arm perpendicular to the longitudinal direction of the block. The instrument also has means for receiving a guide pin facilitating correct orientation of the X-ray camera relatively the film. | |
