Patent · US Expired

Optical instrument, in particular binoculars

US4626080A · kind A · utility

2Cited by

12References

7Claims

0Family size

Assignee

D. Swarovski & Co. · AT

Inventors

Daniel Swarovski · Wattens, AT
Kurt Schwab · Innsbruck, AT

Key dates

Filing date	Feb 17, 1983
Grant date	Dec 2, 1986
Priority date	—
Expiry date	Feb 17, 2003

Classification

Technology area (CPC G)Physics
CPC primaryG02B23/16
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The optical instrument, in particular binoculars, is characterized by exhibiting an integral stable inner housing including the eyepiece tube, the objective tube, the prism seat and possibly the hinge mechanism. The inner housing is encased in plastic foam which determines the outer contour of the instrument.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.