Concessão da patente
#16.1
03/25/1986
RPI 805
The letters patent expired on 11/30/1993: 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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
VAKUUM VULK HOLDINGS LTD
Inventors
S. G. (pessoa física)
S. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
#13.1
12/10/1985
RPI 790
#9.1
08/06/1985
RPI 772
07/10/1984
RPI 716
#6.1
01/10/1984
RPI 690
#6.1
08/24/1982
RPI 618
#6.1
11/24/1981
RPI 579
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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