Contact lens marking fixture
Patent 4543882 Issued on October 1, 1985. Estimated Expiration Date: 
July 16, 2004. 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.
July 16, 2004. 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 1258289 1604152 2097832 2617200 2819668 2911906 3822780 Lens holder and sterilizer Patent #: 4228136 AbstractA molded plastic resin contact lens marking fixture is provided having a cup-like base with an upstanding internal pedestal having an upper surface which is a segment of a sphere for receiving a contact lens. The axis of the segment is tipped from the vertical so that a peripheral portion of the lens is in uppermost position. A lid is received over the base and includes a masking area which is resiliently urged toward the uppermost portion of the pedestal. Perforations are provided in the masking area, and a dye well is provided above the masking area so that dye in the well will be transmitted through the perforations to mark a contact lens near the periphery thereof. | |
