USD394447SExpiredUtility

Double piston spring hinge eyeglasses

Assignee: CALIFORNIA DESIGN STUDIO INCPriority: Jul 19, 1996Filed: Jul 19, 1996Granted: May 19, 1998

Est. expiryJul 19, 2016(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a double piston spring hinge eyeglasses, as shown and described.

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