Solicitação de exame técnico
#4.1
08/16/1988
RPI 930
Application data
Number
PI8606739Type
Filing
Publication
The patent was granted on 11/26/1991 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
P. A. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/16/1988
RPI 930
#1.3
08/11/1987
RPI 877
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 19/04; B01D 13/00; C08G 77/46.
03/27/2018
RPI 2464
#18.2
10/03/1995
RPI 1296
#16.1
11/26/1991
RPI 1095
#13.1
09/10/1991
RPI 1084
#9.1
05/28/1991
RPI 1069
#6.1
11/13/1990
RPI 1041
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.