Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 05/24/1994: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
UNILEVER NV
Inventors
D. P. (pessoa física)
W. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#6.1
12/14/1982
RPI 634
04/27/1982
RPI 601
#4.1
10/13/1981
RPI 573
#21.1
05/24/1994
RPI 1225
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Same category
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