Concessão da patente
#16.1
04/29/1986
RPI 810
Application data
Number
PI8104690Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants
CHOPLIN JEAN P [FR]
Inventors
C. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/29/1986
RPI 810
#11.1
04/09/1985
RPI 755
#3.1
04/06/1982
RPI 598
#21.1
Patente extinta em 21/07/96
08/19/2008
RPI 1963
Same category
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