Concessão da patente
#16.1
09/27/1983
RPI 675
The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. R. (pessoa física)
N. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
06/07/1983
RPI 659
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02/08/1983
RPI 642
08/17/1982
RPI 617
#6.1
07/20/1982
RPI 613
#4.1
11/03/1981
RPI 576
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07/20/1993
RPI 1181
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