Solicitação de exame técnico
#4.1
11/28/1989
RPI 997
Application data
Number
PI8605220Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
D. W. (pessoa física)
DE
D. S. (pessoa física)
DE
D. L. (pessoa física)
DE
D. K. (pessoa física)
DE
G. S. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 35 38 139.6 · 10/26/1985
DE
P 36 18 354.7 · 05/31/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/28/1989
RPI 997
#3.1
07/28/1987
RPI 875
#2.1
04/07/1987
RPI 859
#21.1
Patente extinta em 24/10/2001
07/22/2008
RPI 1959
#16.1
03/26/1996
RPI 1321
#13.1
11/28/1995
RPI 1304
#9.1
07/18/1995
RPI 1285
#6.1
09/14/1993
RPI 1189
#6.1
03/02/1993
RPI 1161
#6.1
06/02/1992
RPI 1122
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.