Concessão da patente
#16.1
06/02/1987
RPI 867
Application data
Number
PI8301208Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
X. C. (pessoa física)
US
Inventors
D. J. (pessoa física)
T. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/23/1986
RPI 844
#9.1
09/02/1986
RPI 828
#4.1
12/03/1985
RPI 789
#3.1
11/22/1983
RPI 683
#2.1
04/26/1983
RPI 653
#21.1
Patente extinta em 10/03/98
07/01/2008
RPI 1956
From the same holder
Same category
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