Concessão da patente
#16.1
07/30/1985
RPI 771
Application data
Number
PI8104986Type
Filing
Publication
The letters patent expired on 11/19/1996: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
D. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
04/23/1985
RPI 757
#15.11
01/08/1985
RPI 742
#9.1
01/02/1985
RPI 741
#6.1
06/26/1984
RPI 714
#4.1
12/20/1983
RPI 687
#3.1
04/20/1982
RPI 600
#21.1
11/19/1996
RPI 1355
Same category
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