G09F 13/28

Signs formed by filament-type lamp

Official title: Signs formed by filament-type lamp (by selective lighting G09F9/00)

G09F13/28 (Signs formed by filament-type lamp) appears on 67 US grants and 19 published applications in this corpus.

Search patents in G09F
Granted patents
67
Published applications
19
Assignees
33
Inventors
109
Latest grant
11 Apr 2017

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G09F 13/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197920
198020
198100
198200
198310
198420
198500
198620
198700
198830
198950
199040
199140
199210
199310
199400
199540
199620
199720
199870
199950
200040
200121
200213
200301
200431
200503
200600
200702
200801
200901
201030
201101
201201
201301
201410
201521
201600
201711
201800
201900
202000
202100
202200
202301

By publication year. Applications have been published since 2001.