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You are viewing a US to IPC7 Concordance.
US to IPC7 Concordance for
Class 349 LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

See notes regarding proper use of US-to-IPC Concordances.
U.S. Subclass IPC7 Subclass IPC7 Group
1  -  3 G     02    F 1     /     13
4  -  18 G     02    F 1     /     1335
19  -  22 G     02    F 1     /     133
23 G     02    F 1     /     133
23 G     02    F 1     /    137
24  -  30 G     02    F 1     /     135
31  -  34 G     02    F 1     /     133
35 G     02    F 1     /     137
36 G     02    F 1     /     133
37 G     02    F 1     /     141
37 G     09    G 3     /     36
38  -  39 G     02    F 1     /     1343
40 G     02    F 1     /     1333
41  -  48 G     02    F 1     /     136
49 G     02    F 1     /     135
49 G     02    F 1     /    136
50  -  53 G     02    F 1     /     136
54 G     02    F 1     /     1333
55 G     02    F 1     /     1343
56 G     02    F 1     /     1333
57 G     02    F 1     /     1335
58  -  60 G     02    F 1     /     1333
61  -  71 G     02    F 1     /     1335
72  -  73 G     02    F 1     /     133
74  -  83 G     02    F 1     /     1347
84  -  94 G     02    F 1     /     1333
95  -  109 G     02    F 1     /     1335
110  -  111 G     02    F 1     /     1333
112  -  115 G     02    F 1     /     1335
116 G     02    F 1     /     133
117  -  121 G     02    F 1     /     1335
122 G     02    F 1     /     1333
123  -  132 G     02    F 1     /     1337
133  -  136 G     02    F 1     /     141
137 G     02    F 1     /     1335
138 G     02    F 1     /     1333
139  -  148 G     02    F 1     /     1343
149  -  152 G     02    F 1     /     1345
153  -  157 G     02    F 1     /     1339
158  -  162 G     02    F 1     /     1333
163  -  164 C     09    K 19     /     52
165 C     09    K 19     /     60
166 C     09    K 19     /     52
167  -  186 C     09    K 19     /     02
187  -  188 G     02    F 1     /     13
189 G     02    F 1     /     1341
190 G     02    F 1     /     1339
191 G     02    F 1     /     1337
192  -  202 G     02    F 1     /     13

Regarding US-to-IPC(7) Concordances [Concordances between US Patent Classification and the International Patent Classification Seventh Edition]: The USPC does not precisely concord to the IPC. Users of this Concordance must look at the IPC schedules to select an appropriate classification for the concept being classified.

This file produced by USPTO - SIRA - Office of Patent Automation - Reference Tools Project. Questions or comments relating to this concordance can be directed to the Office for Patent and Trademark Information, tel (703) 306-2600 or by e-mail.

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This data is current as of February/2006