Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 07/20/1993: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
PILKINGTON BROTHERS LTD
Inventors
D. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
09/27/1983
RPI 675
#9.1
05/10/1983
RPI 655
#6.1
07/27/1982
RPI 614
#6.1
01/19/1982
RPI 587
#21.1
07/20/1993
RPI 1181
03/05/1991
RPI 1057
02/26/1991
RPI 1056
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Same category
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