Flow sensor connector
Patent 5253520 Issued on October 19, 1993. Estimated Expiration Date: 
December 7, 2010. 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.
December 7, 2010. 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 Re31570 828108 2210345 2315792 2347044 2594618 3437357 Capillary tubing coupler Coupling device and method for tubular elements Patent #: 4819969 InventorsAssigneeApplicationNo. 624165 filed on 12/07/1990US Classes:73/202, Proportional285/332TaperedExaminersPrimary: Goldstein, HerbertAttorney, Agent or FirmInternational ClassG01F 005/00AbstractA disconnectable flow connector is formed of (a) a frusto-conical taper pin having a longitudinal bore through which the end portion of a flow tube of a mass flow sensor is inserted and secured and (b) a connector base containing a matched frusto-conical taper bore. The taper pin can be press-fit into the taper bore to form a fluid flow passage having a leakage level less than about 10-9 scc/sec helium. | |
