20.4
03/31/1987
RPI 858
The letters patent expired on 03/26/1996: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
SWF Auto- Eletric GmbH.
DE
Inventors
B. K. (pessoa física)
R. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/31/1987
RPI 858
#16.1
03/26/1985
RPI 753
#13.1
12/11/1984
RPI 738
#9.1
08/21/1984
RPI 722
#6.1
04/03/1984
RPI 702
#4.1
09/20/1983
RPI 674
#21.1
03/26/1996
RPI 1321
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.