Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8305481Type
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
Inventors
E. C. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
04/25/1989
RPI 966
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12/13/1988
RPI 947
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08/02/1988
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06/21/1988
RPI 922
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06/26/1984
RPI 714
#3.2
04/24/1984
RPI 705
#2.1
12/13/1983
RPI 686
#21.1
Patente extinta em 04/10/98
07/01/2008
RPI 1956
From the same holder
Same category
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