Electron beam collimator
Patent 4053808 Issued on October 11, 1977. Estimated Expiration Date: 
October 11, 1994. 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.
October 11, 1994. 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 1959756 Electron collimator Patent #: 3942019 InventorApplicationNo. 05/741376 filed on 11/12/1976US Classes:250/505.1, RADIATION CONTROLLING MEANS138/157, Sectional138/178, MISCELLANEOUS138/45, Variable restriction378/152With linear leaf motionExaminersPrimary: Segal, RobertAttorney, Agent or FirmForeign Application Priority Data1975-11-13 UKAbstractAn electron beam collimator formed by two pairs of multi-leaved corner plates connected by slideable members permitting the dimensions of the collimator to be altered.Field of SearchMovable | |
