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
1 729/CAL/1997 198544 25-Apr-199725-Apr-2017"APPARATUS RECEPTION OF A TELEVISION OR RADIO PROGRAMME OR A DATA FILE AND METHOD OF UTILISING THE SAME"TERM EXPIRED
2 872/MAS/1997 212519 25-Apr-199725-Apr-2017A SYSTEM AND A METHOD FOR REDUCING INTERFERENCE, A COMMUNICATION DEVICE AND A BASE STATION IN A COMMUNICATION SYSTEMTERM EXPIRED
3 1066/DEL/1997 232714 25-Apr-199725-Apr-2017"A STEEL CORD FOR THE REINFORCEMENT OF TIMING BELTS OR TRANSMISSION BELTS"TERM EXPIRED
4 254/BOM/1997 183482 25-Apr-199725-Apr-2017A METHOD OF MANUFACTURING A TEA PRODUCT DERIVED FROM GREEN TEA LEAFTERM EXPIRED
5 866/MAS/1997 210735 25-Apr-199725-Apr-2017AXIAL TURBINE OF AN EXHAUST-GAS TURBOCHARGERTERM EXPIRED
6 1071/DEL/1997 214112 25-Apr-199725-Apr-2017"A COMPOSITION FOR CONTROLLING INSECTS OR REPRESENTATIVES OF THE ORDER ACARINA"TERM EXPIRED
7 723/CAL/1997 224206 25-Apr-199725-Apr-2017SMARTCARD FOR USE WITH A RECEIVER OF ENCRYPTED BROADCAST SIGNALS, AND APPARATUS AND METHOD FOR BROADCASTING ENCRYPTED SIGNALS BY USING THE SMART CARDTERM EXPIRED
8 1070/DEL/1997 212084 25-Apr-199725-Apr-2017"A COMPOSITION FOR CONTROLLING INSECTS OR REPRESENTATIVES OF THE ORDER ACARINA"TERM EXPIRED
9 873/MAS/1997 207963 25-Apr-199725-Apr-2017COUPLED MULTI-SEGMENT HELICAL ANTENNATERM EXPIRED
10 726/CAL/1997 198985 25-Apr-199725-Apr-2017"METHOD AND APPARATUS FOR EXTRACTING AND STORING FROM A TRANSMITTED DATA STREAM A PLURALITY OF SECTIONS OF DATA"TERM EXPIRED
11 870/MAS/1997 226138 25-Apr-199725-Apr-2017CARBOHYDRATE DERIVATIVESTERM EXPIRED
12 869/MAS/1997 208311 25-Apr-199725-Apr-2017A RECORDING METHOD OF AN INFORMATION RECORDING/REPRODUCING APPARATUSTERM EXPIRED
13 876/MAS/1997 212520 25-Apr-199725-Apr-2017A CONNECTOR CONSTRUCTED OF A STEEL PIPETERM EXPIRED
14 1091/CHE/2005 251570 24-Apr-199724-Apr-2017PANORAMIC PERISCOPETERM EXPIRED
15 1061/DEL/1997 212547 24-Apr-199724-Apr-2017"A PROCESS FOR THE PREPARATION OF A MAGNESIUM SALT OF A SUBSTITUTED SULPHINYL HETEROCYCLIC COMPOUNDS".TERM EXPIRED
16 1055/DEL/1997 230592 24-Apr-199724-Apr-2017"AN AUSTENITIC, STAINLESS STEEL ALLOY "TERM EXPIRED
17 863/MAS/1997 187744 24-Apr-199724-Apr-2017INHALERTERM EXPIRED
18 861/MAS/1997 198702 24-Apr-199724-Apr-2017A DILATOR CAPABLE OF INTRODUCING SEPARATING STRESES IN OUTER WALL TISSUES OF A SECTION OF HUMAN ANATOMYTERM EXPIRED
19 860/MAS/1997 217088 24-Apr-199724-Apr-2017PANORAMIC PERISCOPETERM EXPIRED
20 858/MAS/1997 206512 24-Apr-199724-Apr-2017A PACKET FOR TOBACCO GOODS, A METHOD FOR MANUFACTURING OUTER WRAPPINGS AND A DEVICE FOR MANUFACTURING BLANKS FOR OUTER WRAPPINGSTERM EXPIRED
       
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