Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8300921Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
M. A. (pessoa física)
DE
Inventors
H. W. (pessoa física)
L. F. (pessoa física)
M. G. (pessoa física)
W. F. (pessoa física)
IPC Classification
Priority claims
DE
P 32 07 180.9 · 02/27/1982
DE
P 32 07 181.7 · 02/27/1982
DE
P 32 07 183.3 · 02/27/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/04/1987
RPI 854
#9.1
09/30/1986
RPI 832
#6.1
09/17/1985
RPI 778
#6.1
04/02/1985
RPI 754
#4.1
03/07/1984
RPI 698
#3.1
11/16/1983
RPI 682
#2.1
04/12/1983
RPI 651
#21.1
Patente extinta em 25/02/98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.