U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Cellular telephone users protective device

Patent 5336896 Issued on August 9, 1994. Estimated Expiration Date: Icon_subject February 4, 2013. 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

Disguise antenna operating in the cellular band
Patent #: 4725846
Issued on: 02/16/1988
Inventor: Hendershot

Integral laminar antenna and radio housing
Patent #: 4800392
Issued on: 01/24/1989
Inventor: Garay ,   et al.

Extendable antenna for portable cellular telephones with ground radiator
Patent #: 4868576
Issued on: 09/19/1989
Inventor: Johnson, Jr.

Passive repeater for cellular phones
Patent #: 5181043
Issued on: 01/19/1993
Inventor: Cooper

Electromagnetic shielding apparatus for cellular telephones Patent #: 5235492
Issued on: 08/10/1993
Inventor: Humbert, et al.

Inventor

Application

No. 013399 filed on 02/04/1993

US Classes:

250/515.1, Shields343/851, With radiation suppressor (e.g., shield)361/816, Shielding455/97, With antenna ejection or external support455/117, With electrical protection of transmitter circuit or operator455/575.5Antenna shielding

Examiners

Primary: Dzierzynski, Paul M.
Assistant: Nguyen, Hiep T.

International Class

H05K 009/00

Abstract

An accessory for cellular telephones that will afford some protection to cellular telephone users from the alleged brain, head and body damage caused by the electro-magnetic radiation of cellular telephone use and to also provide a comfortable handle for using and carrying the cellular telephone.

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