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
1 306/MAS/1998 184184 17-Feb-199817-Feb-2018"A PROCESS FOR PRODUCING A CHLOROACETYL-AMINOTHIAZOLE-ACETIC ACID DERIVATIVE"TERM EXPIRED
2 305/MAS/1998 209068 17-Feb-199817-Feb-2018A DENTURE CLEANSING COMPOSITIONTERM EXPIRED
3 312/MAS/1998 216629 17-Feb-199817-Feb-2018A METHOD FOR AVOIDING LOST COMMUNICATION WITH A MOBILE STATIONTERM EXPIRED
4 0407/DEL/1998 222078 17-Feb-199817-Feb-2018"AN THIADIAZINE COMPOUND OF FORMULA (I)"TERM EXPIRED
5 257/CAL/1998 185472 17-Feb-199817-Feb-2018A METHODFOR PRURIGYING O, N- ACETYL-PHOSPHORAMIDOTHIOATA.TERM EXPIRED
6 256/CAL/1998 193127 17-Feb-199817-Feb-2018A METHOD FOR TRANSPORTING SCAVENGING AIRTERM EXPIRED
7 406/DEL/1998 222721 17-Feb-199817-Feb-2018"A METHOD OF MANAGING CRUDE OIL AND A SYSTEM THEREOF"TERM EXPIRED
8 311/MAS/1998 208294 17-Feb-199817-Feb-2018PLASTIC VENT VALVE FOR CONTAINERSTERM EXPIRED
9 243/CAL/1998 195088 16-Feb-199816-Feb-2018A METHOD OF CLEANING CONTAINERS, A RINSING ASSEMBLY AND APPARATUS THEREFORTERM EXPIRED
10 247/CAL/1998 211268 16-Feb-199816-Feb-2018OUTDOOR HOUSING FOR ACCOMMODATING ELECTRONICSTERM EXPIRED
11 240/CAL/1998 194424 16-Feb-199816-Feb-2018AN AUTOMATIC VALVE FOR PREVENTING ACCIDENTAL HYDROCARBON OIL SPILLIAGETERM EXPIRED
12 248/CAL/1998 199952 16-Feb-199816-Feb-2018PROTECTIVE PLUGTERM EXPIRED
13 291/MAS/1998 199171 13-Feb-199813-Feb-2018RESIN COATING APPLICATOR FOR AN OPTICAL FIBERTERM EXPIRED
14 239/CAL/1998 198749 13-Feb-199813-Feb-2018MURAL FEMALE SOCKET OF THEMMODULAR-JACK TYPETERM EXPIRED
15 296/MAS/1998 202180 13-Feb-199813-Feb-2018POLYESTER PARTICLES AND A PROCESS FOR PREPARING THE SAMETERM EXPIRED
16 380/DEL/1998 197371 13-Feb-199813-Feb-2018"A PROCESS FOR THE PREPARATION OF A SEMISYNTHETIC AMPLICON USEFUL FOR THE IDINTIFICATION OF THE PRESENCE OF RUST RESISTANCE GENE LR 28 IN WHEAT"TERM EXPIRED
17 381/DEL/1998 186980 13-Feb-199813-Feb-2018"AN IMPROVED PROCESS FOR THE PRODUCTION OF 4,6,6, TRIMETHYL BICYCLO (3.1.1) HEPT-3EN-2ONE USING A NOVEL PENICILLIUM SP."TERM EXPIRED
18 372/DEL/1998 188378 13-Feb-199813-Feb-2018" A PROCESS FOR THE PREPARATION OF A SYNERGISTIC COMPOSITION USEFUL AS FUMIGANT AGAINST STORED GRAIN INSECT PESTS"TERM EXPIRED
19 390/DEL/1998 215127 13-Feb-199813-Feb-2018"THE PRESENT INVENTION RELATES TO METHOD AND APPARATUS FOR MANUFACTURING DISCRETE ATTACHMENT POINTS OF A STATOR TO A CASING OF A ROTARY ELECTRIC MACHINE"TERM EXPIRED
20 237/CAL/1998 201441 13-Feb-199813-Feb-2018A PROCESS FOR FORMING A POLYMERIZABLE AQUEOUS COMPOSITION OF POLYMERIZABLE REACTANTSTERM EXPIRED
       
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