B43M 3/045

For envelopes with only one flap

Official title: {for envelopes with only one flap}

B43M3/045 (For envelopes with only one flap) appears on 303 US grants and 156 published applications in this corpus.

Search patents in B43M
Granted patents
303
Published applications
156
Assignees
82
Inventors
390
Latest grant
5 May 2026

Filings by year

B43M 3/045: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197730
197820
197920
198020
198100
198210
198300
198430
198500
198630
198760
198870
198970
1990100
199130
1992150
199390
199470
1995140
199680
199780
1998140
1999160
200070
200191
200255
20031213
20041314
2005811
2006713
2007710
2008129
200957
2010511
201178
201296
2013911
201456
201573
201649
201732
201841
201953
202040
202111
202212
202306
202443
202561
202610

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

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