102
10/31/1989
RPI 993
The letters patent expired on 07/26/1994: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
G. L. (pessoa física)
US
IPC Classification
Priority claims
US
015.341 · 03/01/1979
US
029.281 · 04/13/1979
US
910.965 · 05/30/1978
US
965.070 · 11/30/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
#12.3
04/12/1988
RPI 912
12/29/1987
RPI 897
#6.1
11/20/1984
RPI 735
#6.1
01/17/1984
RPI 691
06/15/1982
RPI 608
#11.2
03/16/1982
RPI 595
#21.1
07/26/1994
RPI 1234
#16.1
10/30/1990
RPI 1039
#13.1
08/14/1990
RPI 1028
#9.1
04/10/1990
RPI 1013
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Same category
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