Retificação
#15.3
09/01/1987
RPI 880
The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. L. (pessoa física)
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.3
09/01/1987
RPI 880
#16.1
05/29/1984
RPI 710
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03/27/1984
RPI 701
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12/06/1983
RPI 685
#6.1
06/14/1983
RPI 660
#4.1
10/13/1982
RPI 625
#18.2
11/03/1993
RPI 1196
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