Concessão da patente
#16.1
03/17/1987
RPI 856
Application data
Number
PI8202825Type
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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
B. I. (pessoa física)
US
Inventors
E. B. (pessoa física)
US
J. B. (pessoa física)
US
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
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11/04/1986
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07/08/1986
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01/07/1986
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11/26/1985
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#4.1
04/09/1985
RPI 755
#15.11
03/07/1984
RPI 698
#3.1
12/20/1983
RPI 687
#2.1
06/29/1982
RPI 610
#21.1
Patente extinta em 14/05/97
07/01/2008
RPI 1956
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