Publicação do pedido de patente
#3.1
11/01/1988
RPI 941
Application data
Number
PI8801402Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
Inventors
E. B. (pessoa física)
DE
H. E. (pessoa física)
DE
W. F. (pessoa física)
DE
W. E. (pessoa física)
DE
W. K. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/01/1988
RPI 941
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07/26/1988
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Patente extinta em 27/07/2009
12/11/2012
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#16.1
07/27/1999
RPI 1490
#9.1
02/17/1999
RPI 1467
#6.1
05/13/1997
RPI 1380
#6.1
02/07/1995
RPI 1262
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10/09/1990
RPI 1036
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