Microscope objective
Patent 5886826 Issued on March 23, 1999. Estimated Expiration Date: 
March 11, 2017. 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.
March 11, 2017. 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.InventorAssigneeApplicationNo. 815161 filed on 03/11/1997US Classes:359/656, Microscope objective359/657, Having seven components359/658, Having six components359/659, Having five components359/660, Having four components359/661Having less than four componentsExaminersPrimary: Epps, GeorgiaAssistant: Lucas, Michael A Attorney, Agent or FirmForeign Patent References
International ClassG02B 021/02Foreign Application Priority Data1996-03-13 JPAbstractProvided is a microscope objective including a plurality of meniscus lenses disposed along a predetermined optical axis; a plurality of first doublets aligned along the optical axis and disposed behind the plurality of meniscus lenses; and a plurality of second doublets aligned along the optical axis and disposed behind the plurality of first doublets, wherein a distance between a rearmost one of the first doublets and a front one of the second doublets is larger than a distance between any two adjacent ones of the first doublets and a distance between any two adjacent ones of the second doublets. | |
