B44D 3/18

Boards or sheets with surfaces prepared for painting or drawing pictures

Official title: Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases

B44D3/18 (Boards or sheets with surfaces prepared for painting or drawing pictures) appears on 263 US grants and 168 published applications in this corpus.

Search patents in B44D
Granted patents
263
Published applications
168
Assignees
89
Inventors
364
Latest grant
18 Aug 2026

Filings by year

B44D 3/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197750
197830
197960
198050
198140
198260
198360
198470
1985100
198640
198770
198860
198980
199030
199150
199240
199320
199420
199500
199640
199700
199830
199970
200040
200131
200263
200352
200444
200525
200636
200713
200824
200924
201077
201124
201259
201357
201457
2015118
2016812
20171113
2018711
2019812
2020415
2021126
202267
2023117
202496
202573
202622

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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Granted patents