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Class 351/125 - Crossbar type


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter wherein the bridge is in the shape of a cross
No. of patents: 7
Last issue date: 04/29/2008


NumberTitleIssue Date
7366244Method and system for antenna interference cancellation
A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ...
04/29/2008
7123676Method and system for antenna interference cancellation
A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ...
10/17/2006
7050388Method and system for crosstalk cancellation
Signals propagating in one communication channel can generate crosstalk interference in another communication channel. A crosstalk cancellation device can process the signals causing the crosstalk interference and generate a crosstalk cancellation signal that can co...
05/23/2006
6135593Magnifying spectacles
Magnifying spectacles for cosmetic use including a cross piece which extends across the face of the user and projecting upwardly from which are two magnifying lenses whose size is not substantially larger than that of the human eye. The crosspiece include...
10/24/2000
5469229Multi-purpose protective eye shield
A multi-purpose protective eye shield having a main lens and at least one auxiliary lens attached to a universal frame which includes two temple bars and a nose support element. The frame may include a connecting bridge extending along the brow of the wea...
11/21/1995
5200771Eyeglasses having a detachable nose rest
In a pair of eyeglasses having a bridge joining the edges of the lenses, the nose rest includes a one-piece bow which is secured via a spacer element to a retaining and essentially rests only on the bridge of the nose. In particular, the bow, spacer eleme...
04/06/1993
4402577Eyeglass frame with detachable frame front
An eyeglass frame with a detachable frame front is disclosed. The eyeglass frame comprises a main frame structure including a main cross bar and hinged temples at its ends, and the separate, detachable frame front comprises rims interconnected by a pair o...
09/06/1983
 
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