110
10/17/1989
RPI 991
Application data
Number
PI8401401Type
Filing
Publication
The patent was granted on 03/20/1990 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Prad Research and Development N.V.
NL
Inventors
J. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
10/17/1989
RPI 991
#12.1
04/11/1989
RPI 964
#9.1
12/06/1988
RPI 946
#6.1
05/31/1988
RPI 919
#5.1
03/24/1987
RPI 857
#4.1
11/18/1986
RPI 839
#3.1
11/06/1984
RPI 733
#2.1
06/12/1984
RPI 712
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era G02B 5/16.
03/27/2018
RPI 2464
#18.2
12/24/1996
RPI 1360
#16.1
03/20/1990
RPI 1010
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.