Solicitação de exame técnico
#4.1
09/22/1987
RPI 883
Application data
Number
PI8404928Type
Filing
Publication
The patent was granted on 08/27/1991 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: 09/22/1987. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
E. P. (pessoa física)
US
J. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/22/1987
RPI 883
#3.1
08/20/1985
RPI 774
#2.1
12/11/1984
RPI 738
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07F 7/18; C03C 25/02; C08J 5/12.
03/27/2018
RPI 2464
#18.2
06/27/1995
RPI 1282
#16.1
08/27/1991
RPI 1082
#13.1
04/23/1991
RPI 1064
#9.1
01/08/1991
RPI 1049
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.