Concessão da patente
#16.1
07/26/1988
RPI 927
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Application data
Number
PI8105944Type
Invention Patent
Filing
09/17/1981
Publication
06/08/1982
Progress at the INPI
- Filing09/17/81
- Publication06/08/82
- Examination07/10/84
- Allowance12/29/87
- Grant07/26/88
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
RUETGERSWERKE AG
Inventors
M. K. (pessoa física)
P. H. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/10/1988
RPI 916
Deferimento
#9.1
12/29/1987
RPI 897
Exigência - art. 36 da LPI
#6.1
11/04/1986
RPI 837
Exigência - art. 36 da LPI
#6.1
04/23/1985
RPI 757
Solicitação de exame técnico
#4.1
07/10/1984
RPI 716
Publicação do pedido de patente
#3.1
06/08/1982
RPI 607
Pedido de patente depositado
#2.1
11/03/1981
RPI 576
Carta-patente expirada
#21.1
Patente extinta em 17/09/96
08/19/2008
RPI 1963
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