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
1 400/DEL/2000 231006 04-Apr-200004-Apr-2020"A ENDOTRACHEAL AND TRACHEOSTOMY TUBE"TERM EXPIRED
2 403/DEL/2000 230917 04-Apr-200004-Apr-2020"A PROCESS FOR PREPARING AN INHIBITION FORMULATION FOR NITRAMINE PROPELLANTS"TERM EXPIRED
3 254/MAS/2000 236846 04-Apr-200004-Apr-2020COMPOSITION FOR ANTI MICROBIAL TREATMENTTERM EXPIRED
4 406/DEL/2000 216823 04-Apr-200004-Apr-2020"A BLOCK RENDERING SYSTEM AND METHOD FOR A GRAPHICS SUBSYSTEM"TERM EXPIRED
5 IN/PCT/2001/01036/DEL 236297 04-Apr-200004-Apr-2020"A NOVEL ANTISENSE OLIGO WITH BETTER STABILITY AND ANTISENSE EFFECT"TERM EXPIRED
6 IN/PCT/2001/01323/MUM 207082 04-Apr-200004-Apr-2020A TELECOMMUNICATIONS SYSTEM FOR TRANSMITTING DATA PACKETS USING A SEMI-RELIABLE RETRANSMISSION PROTOCOLTERM EXPIRED
7 2805/DELNP/2005 219092 04-Apr-200004-Apr-2020WELL INCORPORATING A PIPE OR CASINGTERM EXPIRED
8 IN/PCT/2001/01316/MUM 205722 04-Apr-200004-Apr-2020AN APPARATUS FOR MODULATING AND DEMODULATING AT LEAST A PORTION OK SYNCHRONIZATION SIGNAL IN THE MOBILE COMMUNICATION SYSTEMTERM EXPIRED
9 196/CAL/2000 212122 04-Apr-200004-Apr-2020METHOD AND APPARATUS FOR PREVENTING ILLEGAL USAGE OF MULTIMEDIA CONTENT .TERM EXPIRED
10 253/MAS/2000 236856 04-Apr-200004-Apr-20204-HYDROXYISOTHIAZOLE COMPOUNDS AND THEIR PREPARATIONTERM EXPIRED
11 257/MAS/2000 216190 04-Apr-200004-Apr-2020A SYSTEM FOR COLLECTING TOLLTERM EXPIRED
12 IN/PCT/2001/1405/CHE 225604 04-Apr-200004-Apr-2020A PROCESS FOR THE PREPARATION OF CRYSTALLINE FORMS OF THE SODIUM SALT OF 5-CHLORO-2-METHOXY-N-(2-(4-METHOXY-3-METHYLAMINOTHIOCARBONYLAMINOSULFONYL)ETHYL)BENZAMIDE)TERM EXPIRED
13 IN/PCT/2001/1052/KOL 199184 04-Apr-200004-Apr-2020AN IMPROVED PROCESS FOR THE PREPARATION OF PHARMACEUTICAL GRADE GABAPENTINTERM EXPIRED
14 IN/PCT/2001/1443/CHE 223548 04-Apr-200004-Apr-2020AN IMMUNOGENIC COMPOSITIONTERM EXPIRED
15 719/MUMNP/2005 219959 04-Apr-200004-Apr-2020A METHOD AND SYSTEM FOR CALCULATING THE REAL TIME CLOCK IN A CELLULAR RADIO COMMUNICATION NETWORKTERM EXPIRED
16 197/CAL/2000 239148 04-Apr-200004-Apr-2020A PROCESS FOR PREPARING A DYE MIXTURETERM EXPIRED
17 199/CAL/2000 195130 04-Apr-200004-Apr-2020FLUID-OPERATED TOOLTERM EXPIRED
18 IN/PCT/2001/01352/MUM 219958 04-Apr-200004-Apr-2020A METHOD FOR RETAINING A CONNECTION TO A FIRST RADIO UNIT IN A CELLULAR RADIO COMMUNICATION SYSTEM AND A METHOD FOR COLLECTING DATA FOR A NEIGHBOURING LIST IN A CELLULAR RADIO COMMUNICATION SYSTEMTERM EXPIRED
19 4702/CHENP/2007 244671 04-Apr-200004-Apr-2020AN ADJUVANT COMPOSITIONTERM EXPIRED
20 IN/PCT/2001/00159/DEL 215616 04-Apr-200004-Apr-2020"METHOD FOR IDENTIFICATION IN A FLUID TRANSMISSION LINE AND WELL INCORPORATING SUCH FLUID TRANSMISSION LINE"TERM EXPIRED
       
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