Concessão da patente
#16.1
12/27/1983
RPI 688
The patent was granted on 12/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
A. S. (pessoa física)
B. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#6.1
01/25/1983
RPI 640
05/04/1982
RPI 602
#4.1
10/06/1981
RPI 572
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 7/02; C08L 77/00; C08L 101/00; C09J 153/00; C09J 153/02.
03/27/2018
RPI 2464
#18.2
07/20/1993
RPI 1181
From the same holder
Same category
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