US 12,390,976 B2
Signaling arrangements employing molded thermoplastics
Tomas Filler, Beaverton, OR (US); and Vojtech Holub, Lafayette, CO (US)
Assigned to Digimarc Corporation, Beaverton, OR (US)
Filed by Digimarc Corporation, Beaverton, OR (US)
Filed on Sep. 23, 2022, as Appl. No. 17/952,066.
Claims priority of provisional application 63/267,268, filed on Jan. 28, 2022.
Claims priority of provisional application 63/265,487, filed on Dec. 15, 2021.
Claims priority of provisional application 63/274,661, filed on Nov. 2, 2021.
Claims priority of provisional application 63/253,861, filed on Oct. 8, 2021.
Claims priority of provisional application 63/261,837, filed on Sep. 29, 2021.
Claims priority of provisional application 63/248,479, filed on Sep. 25, 2021.
Prior Publication US 2023/0096859 A1, Mar. 30, 2023
Int. Cl. B29C 49/42 (2006.01); B29C 33/38 (2006.01); B29C 49/48 (2006.01); B29L 31/00 (2006.01)
CPC B29C 49/42412 (2022.05) [B29C 33/3842 (2013.01); B29C 49/48 (2013.01); B29L 2031/7158 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A method comprising: introducing plastic into a mold that defines plural cavities, and removing from the mold a shaped item that has plural indentations, rather than protrusions, at locations corresponding to said plural mold cavities.