Handheld interrogator

Description

FIG. 1 is a perspective view of the handheld interrogator showing our new design;

FIG. 2 is a front elevational view thereof, the rear view is a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken line drawing in all figure views is for illustrative purposes only, and forms no part of the claimed design.

Referenced Cited

U.S. Patent Documents

D307138 April 10, 1990 Knowles
D352937 November 29, 1994 Karlin
D362435 September 19, 1995 Charych et al.
D377347 January 14, 1997 Karlin
D400199 October 27, 1998 Fitch et al.
D414171 September 21, 1999 Swift et al.
5280159 January 18, 1994 Schultz et al.

Foreign Patent Documents

0 987 646 A2 March 2000 EPX

Other references

  • 3 pgs regarding Trovan Readers from internet site www.trovan.com/readers.htrr printed Jun. 12, 2000. 2 pgs. regarding IDENTEC i-COM handheld interrogator from internet site www.identec.com/systemcomponents.htm printed Jun. 12, 2000. 1 pg. regarding IR-100E: Portable Reader from internet site www.motorola.com/LMPS/Indala/ir-100e.htr printed Jun. 12, 2000. 3 pgs. regarding Spider RFID from internet site www.wirelessmountain.com/spiderreader.htr printed Jun. 12, 2000. 2 pgs. regarding Performa.TM. Portable Reader from internet site www.checkpointsystems.com/rfid/retperf.htm printed Jun. 12, 2000. 2 pgs. regarding Hand-Held Computer 5020 from internet site www.corp.intermec.com/products/5020.htm printed Jun. 12, 2000. 1 pg. regarding Portable RFID Readers from internet site www.stid.com/p.sub.-- Portables.sub.-- uk.htrr printed Jun. 12, 2000. 2 pgs. regarding workabout from internet site www.enterprise.psion.com/public/products/workaboutrf.ht printed Jun. 12, 2000. 2 pgs. regarding Moby RFID Tag Reader from internet site www.enterprise.psion.com/public/3rdparty/3rdrfidsiemens.htr printed Jun. 12, 2000. 1 pg. regarding Portable RFID Blackroc from internet site www.blackroc.com/PORTABLE%20RFID.htrr printed Jun. 12, 2000.

Patent History

Patent number: D435557
Type: Grant
Filed: Jan 14, 2000
Date of Patent: Dec 26, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Peter M. Eisenberg (Minneapolis, MN), Bernard A. Gonzalez (St. Paul, MN), Mitchell B. Grunes (Minneapolis, MN), Robert J. Schilling (Arden Hills, MN)
Primary Examiner: M. H. Tung
Attorney: Peter L. Olson
Application Number: 0/117,015

Classifications

Current U.S. Class: Pistol Grip (D14/428)
International Classification: 1402;