20.4
09/01/1987
RPI 880
The patent was granted on 12/30/1986 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: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
SPUMA PAC CIA BRASILEIRA DE EM [BR]
Inventors
L. D. (pessoa física)
L. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/01/1987
RPI 880
#16.1
12/30/1986
RPI 845
#13.1
08/26/1986
RPI 827
08/05/1986
RPI 824
07/29/1986
RPI 823
#9.1
04/22/1986
RPI 809
#6.1
10/22/1985
RPI 783
#5.1
07/09/1985
RPI 768
#4.1
02/20/1985
RPI 748
#3.1
03/22/1983
RPI 648
#18.2
10/30/1990
RPI 1039
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.