Air line lubricator
Patent 4450938 Issued on May 29, 1984. Estimated Expiration Date: 
December 20, 2002. 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 20, 2002. 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 458450 1548869 1606758 3209956 3693757 3837431 Injection lubricating apparatus Injection type lubricating apparatus Apparatus for the atomization of oil in a compressed air line Patent #: 4332309 InventorsApplicationNo. 06/451027 filed on 12/20/1982US Classes:184/42, Spring return184/39.1, Cyclical-type metered injector184/55.2Air line lubricatorsExaminersPrimary: Brown, David H.Attorney, Agent or FirmInternational ClassesF16N 13/00 (20060101)F16N 13/16 (20060101) F16N 7/00 (20060101) F16N 7/30 (20060101) AbstractAn air line lubricator for air motors and the like which is self priming and provides a controlled, continuous supply of oil for a limited duration once the air line is pressurized. The lubricator utilizes a unique check seal in combination with a bevelled and stepped piston. The construction further allows the use of a single ball check and deposits the lubricating oil directly into the air stream apart from the air line surface. | |
