16.3
07/24/1984
RPI 718
The letters patent expired on 05/31/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/24/1984. We update with every new RPI gazette, published weekly.
Applicants
PILKINGTON BROTHERS LTD
Inventors
B. G. (pessoa física)
H. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/24/1984
RPI 718
#16.1
04/24/1984
RPI 705
#13.1
01/31/1984
RPI 693
#9.1
10/18/1983
RPI 678
#6.1
10/13/1982
RPI 625
02/09/1982
RPI 590
#21.1
05/31/1994
RPI 1226
03/05/1991
RPI 1057
02/26/1991
RPI 1056
From the same holder
Same category
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