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Last Updated: September 25, 2020

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Patent: 5,892,625

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Summary for Patent: 5,892,625
Title: Fluid image transmitting optical system for endoscopes
Abstract:A low cost image transmission optical system for an inflexible type endoscope comprising two rod-like lenses disposed in a front-to-back symmetrical manner, each rod-like lens consisting of two correcting lenses encapsulating therebetween a fluid; said fluid, for example, may be water or an optical liquid. The said encapsulated fluid image transmission optical system being arranged that the image brightness and its chromaticity, curvature of field and astigmatic residuals are favorably corrected, and that the said arrangement is not susceptible to breakage when a bending load is applied to the shaft of the endoscope.
Inventor(s): Heimer; Richard J. (Los Angeles, CA)
Assignee: Radiant Optics, Inc. (Los Angeles, CA)
Application Number:08/890,583
Patent Claims:see list of patent claims

Details for Patent 5,892,625

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial Radiant Optics, Inc. (Los Angeles, CA) 2039-09-23 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial Radiant Optics, Inc. (Los Angeles, CA) 2039-09-23 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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