Concessão da patente
#16.1
11/24/1987
RPI 892
Application data
Number
PI8006376Type
Filing
Publication
The letters patent expired on 11/14/1995: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Egineering Company
US
Inventors
E. P. (pessoa física)
L. I. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
09/22/1987
RPI 883
#9.1
05/12/1987
RPI 864
#6.1
03/25/1986
RPI 805
#6.1
03/19/1985
RPI 752
#4.1
07/17/1984
RPI 717
#3.1
06/15/1982
RPI 608
#21.1
11/14/1995
RPI 1302
From the same holder
Same category
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