Concessão da patente
#16.1
10/25/1988
RPI 940
Application data
Number
PI8201907Type
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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
R. G. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1988
RPI 940
#13.1
09/06/1988
RPI 933
#9.1
05/10/1988
RPI 916
#6.1
12/22/1987
RPI 896
#7.1
07/22/1986
RPI 822
#15.11
05/14/1985
RPI 760
#7.1
01/08/1985
RPI 742
#4.1
04/17/1984
RPI 704
#3.1
11/16/1983
RPI 682
#2.1
05/25/1982
RPI 605
#21.1
Patente extinta em 02/04/97
07/01/2008
RPI 1956
From the same holder
Same category
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