20.4
09/20/1983
RPI 674
The letters patent expired on 09/21/1993: 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: 09/20/1983. We update with every new RPI gazette, published weekly.
Applicants
SHERWOOD MEDICAL IND INC
Inventors
D. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/20/1983
RPI 674
#20.1
09/13/1983
RPI 673
#16.1
12/29/1981
RPI 584
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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