Carta-patente expirada
#21.1
Patente extinta em 16/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8905804Type
Filing
Publication
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
C. M. (pessoa física)
IT
F. F. (pessoa física)
IT
Inventors
C. M. (pessoa física)
IT
F. F. (pessoa física)
IT
IPC Classification
Priority claims
IT
20408 B/89 · 01/04/1989
IT
21626 B/89 · 08/25/1989
IT
22155 B/88 · 11/16/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 16/11/2004
12/29/2009
RPI 2034
#16.1
07/30/1996
RPI 1339
#9.1
10/10/1995
RPI 1297
#6.1
05/02/1995
RPI 1274
08/30/1994
RPI 1239
#4.1
06/09/1992
RPI 1123
#3.1
06/12/1990
RPI 1022
#2.1
04/17/1990
RPI 1014
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.