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 1086/MAS/1997 202057 23-May-199723-May-2017METHOD OF OPERATING A ROLL STAND ARRAGEMENTTERM EXPIRED
2 1095/MAS/1997 212411 23-May-199723-May-2017CRYOGENIC TIRE DISINTEGRATION PROCESS AND APPARATUSTERM EXPIRED
3 1378/DEL/1997 232529 23-May-199723-May-2017"A PRESSURIZED FEED SHOE FOR DELIVERING PARTICULATE MATERIALS"TERM EXPIRED
4 1764/CHE/2005 234066 23-May-199723-May-2017A METHOD AND AN APPARATUS FOR HIGH DATA RATE CDMA WIRELESS COMMUNICATIONTERM EXPIRED
5 1381/DEL/1997 214753 23-May-199723-May-2017"ROADAWAY MANHOLE COVER "TERM EXPIRED
6 1094/MAS/1997 217222 23-May-199723-May-2017A METHOD FOR GENERATING MODULATED DATA AND A WIRELESS COMMUNICATION SYSTEM TERM EXPIRED
7 1377/DEL/1997 230585 23-May-199723-May-2017"A HINGELESS FOLDABLE PANEL SYSTEM"TERM EXPIRED
8 1088/MAS/1997 208073 23-May-199723-May-2017A BELT STEERING ASSEMBLY FOR CENTRING CONVEYOR BELTSTERM EXPIRED
9 1083/MAS/1997 183686 21-May-199721-May-2017" A PROCESS FOR PRODUCING A PHYSIOLOGICALLY ACTIVE SUBSTRATE FOR IMPROVING SKIN CONDITION".TERM EXPIRED
10 1073/MAS/1997 212858 21-May-199721-May-2017A TANK FOR STORING A LIQUID AT AMBIENT TEMPERATURE AND PRESSURETERM EXPIRED
11 1079/MAS/1997 202055 21-May-199721-May-2017A PROCESS FOR THE PRODUCTION OF AN ALPHA BASED CATALYSTTERM EXPIRED
12 1074/MAS/1997 207789 21-May-199721-May-2017A METHOD AND A DEVICE FOR MANUFACTURING A SPARK EROSION ELECTRODE AND THE ELECTRODE WIRETERM EXPIRED
13 1368/DEL/1997 215168 21-May-199721-May-2017"A PROCESS FOR PRODUCING AN OLEFIN POLYMER OF A LOW POLYDISPERSITY INDEX"TERM EXPIRED
14 1373/DEL/1997 251023 21-May-199721-May-2017"A PROCESS FOR MAKING NITRIC ACID"TERM EXPIRED
15 314/BOM/1997 184519 20-May-199720-May-2017A PROCESS OF MANUFACTURING A TRANSDERMAL DRUG DELIVERY SYSTEM FOR USE IN SMOKING CESSATIONTERM EXPIRED
16 1063/MAS/1997 228465 20-May-199720-May-2017AN ARTICLE FOR FORMING A CABLE CLOSURETERM EXPIRED
17 1071/MAS/1997 192237 20-May-199720-May-2017A CATALYST COMPOSITION FOR CONVERTING ETHYLENE TO LIGHT ALPHA OLEFINGSTERM EXPIRED
18 1356/DEL/1997 215202 20-May-199720-May-2017"A METHOD OF FORMING A MULTI-LAYER TUBE FOR HYDROCARBON TRANSMISSION AND MULTI-LAYER TUBE THEREOF"TERM EXPIRED
19 1363/DEL/1997 231845 20-May-199720-May-2017"A RESILIENT THREE-DIMENSIONAL WEB"TERM EXPIRED
20 1359/DEL/1997 192070 20-May-199720-May-2017"AN APPARATUS FOR ANALYSING CENTRIFUCED ANTICOAGULATED NHOLE BLOOD"TERM EXPIRED
       
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