Publicação do pedido de patente
#3.1
09/05/1989
RPI 985
Application data
Number
PI8900072Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Air Products And Chemicals, Inc
US
Inventors
G. A. (pessoa física)
US
G. W. (pessoa física)
US
M. H. (pessoa física)
US
M. S. (pessoa física)
US
IPC Classification
Priority claims
US
142.971 · 01/12/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/05/1989
RPI 985
#2.1
02/21/1989
RPI 957
#21.1
Patente extinta em 08/02/2010
12/18/2012
RPI 2189
#16.1
02/08/2000
RPI 1518
#9.1
11/23/1999
RPI 1507
#9.2.1
Ref. RPI 1495 de 31/08/99.
11/23/1999
RPI 1507
#9.2
Indeferido com base nos Artigos 37, 8 e 13 da LPI.
08/31/1999
RPI 1495
#7.1
03/30/1999
RPI 1473
#9.1.1
Ref. RPI 1453 de 10/11/1998.
03/30/1999
RPI 1473
#15.11
ALTERADA DE C11D 1/82 C11D 1/835 C11D 3/20
12/08/1998
RPI 1457
#9.1
11/10/1998
RPI 1453
#6.1
12/30/1997
RPI 1410
#6.1
10/08/1996
RPI 1349
#6.1
02/27/1996
RPI 1317
#6.1
06/27/1995
RPI 1282
#6.1
09/27/1994
RPI 1243
10/23/1990
RPI 1038
#4.1
05/08/1990
RPI 1017
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