EXPIRED PATENTS

Disclaimer : The utility displays the Patents that have ceased to be in effect u/s 53(2). The displayed list is dynamic (Real time basis) and may be updated upon official actions u/s 60 (Restoration). Actual legal status may confirmed from the respective jurisdiction of Patent Office. The list also depends upon the digitization status of Patents. Therefore, descripancy, if any should be communicated to respective Patent Office at: delhi-patent@nic.in, mumbai-patent@nic.in, chennai-patent@nic.in, kolkata-patent@nic.in

* Note: Please select 'ALL' in Field of Invention to return the complete list. Data in other fields is subject to availablity of Field of Invention in the database

TERM EXPIRED

FIELD OF INVENTION

 
Sr.NoApplication NumberPATENT NUMBERDATE OF PATENTDATE OF CESSATIONTITLE OF INVENTIONSTATUS
1 IN/PCT/2000/72/CHE 199154 11-Dec-199811-Dec-2018A CABLE LIFT COMPRISING A DRIVE PULLEY AND A DRIVE ENGINETERM EXPIRED
2 2777/MAS/1998 210075 11-Dec-199811-Dec-2018AN ELECTRICAL CONNECTION MECHANISM FOR A SWITCHGEAR APPARATUSTERM EXPIRED
3 0272/DEL/2005 226198 11-Dec-199811-Dec-2018"MODIFIED THERMOPLASTIC RESIN COMPOSITION"TERM EXPIRED
4 3727/DEL/1998 213030 11-Dec-199811-Dec-2018"A PROCESS FOR MANUFACTURING TOLUIDINE BLUE O"TERM EXPIRED
5 IN/PCT/2000/00034/MUM 214132 11-Dec-199811-Dec-2018A PROCESS FOR PRODUCING A POLYMERTERM EXPIRED
6 441/MUMNP/2005 214131 11-Dec-199811-Dec-2018A CHAIN TRANSFER AGENTTERM EXPIRED
7 3726/DEL/1998 215801 11-Dec-199811-Dec-2018"A PROCESS FOR PREPARING A MODIFIED THERMOPLASTIC RESIN " TERM EXPIRED
8 IN/PCT/2000/0063/KOL 203287 11-Dec-199811-Dec-2018 PAINT ROLLER AND ITS PRODUCTION PROCESS TERM EXPIRED
9 IN/PCT/2000/86/CHE 199114 11-Dec-199811-Dec-2018PROCESS OF LIQUEFYING A GASEOUS METHANE-RICH FEED TO OBTAIN LIQUEFIED NATURAL GASTERM EXPIRED
10 2778/MAS/1998 202172 11-Dec-199811-Dec-2018A CDMA, RECEIVER, A CDMA BASE STATION AND A CDMA COMMUNICATION CENTRAL METHODTERM EXPIRED
11 IN/PCT/2000/110/CHE 229146 11-Dec-199811-Dec-2018N-BENZYL-3-INDENYLACETAMIDES COMPOUNDS FOR TREATING NEOPLASIATERM EXPIRED
12 2776/MAS/1998 208282 11-Dec-199811-Dec-2018A CIRCUIT AND METHOD FOR CONTROLLING THE GAIN OF AN AUDIO BAND PROCESSORTERM EXPIRED
13 IN/PCT/2000/88/KOL 213673 11-Dec-199811-Dec-2018TABLET FOR INSTANT AND PROLONGED RELEASE OF ONE OR MORE ACTIVE SUBSTANCES.TERM EXPIRED
14 IN/PCT/2000/145/CHE 205640 10-Dec-199810-Dec-2018VEHICLE DRIVE WHEEL ASSEMBLYTERM EXPIRED
15 2764/MAS/1998 208496 10-Dec-199810-Dec-2018A SHIELDED SUBSTRATE ANTENNA AND A METHOD OF SHIELDING THE SAMETERM EXPIRED
16 IN/PCT/1999/4/KOL 222745 10-Dec-199810-Dec-2018A METHOD OF IDENTIFYING A SET OF TRANSPONDERS, TRANSPONDER AND AN APPARATUS THEREOFTERM EXPIRED
17 2159/CAL/1998 201723 10-Dec-199810-Dec-2018PRECIPITATED SILICA.TERM EXPIRED
18 IN/PCT/2000/00088/MUM 219457 10-Dec-199810-Dec-2018A METHOD OF MAKING A BONDED, COHERENT MATERIAL COMPRISING A MASS OF DIAMOND CRYSTALS IN A MATRIXTERM EXPIRED
19 3717/DEL/1998 227484 10-Dec-199810-Dec-2018"POWER MANAGEMENT CIRCUIT FOR A PORTABLE ELECTRONIC DEVICE"TERM EXPIRED
20 2162/CAL/1998 198609 10-Dec-199810-Dec-2018"A METHOD OF PREVENTING TRANSFER OF PRINTED LABELS ON STACKED CONTAINERS DURING STEAM-STERILIZATION"TERM EXPIRED
       
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