Concessão da patente
#16.1
12/27/1988
RPI 949
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Application data
Number
PI8302072Type
Invention Patent
Filing
04/20/1983
Publication
12/27/1983
Progress at the INPI
- Filing04/20/83
- Publication12/27/83
- Examination05/29/84
- Allowance05/31/88
- Grant12/27/88
- Expired07/01/08
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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Wyrough And Loser, Inc.
US
Inventors
J. H. (pessoa física)
L. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/20/1988
RPI 935
Deferimento
#9.1
05/31/1988
RPI 919
Conhecimento de parecer técnico
#7.1
04/30/1985
RPI 758
Solicitação de exame técnico
#4.1
05/29/1984
RPI 710
Publicação do pedido de patente
#3.1
12/27/1983
RPI 688
Pedido de patente depositado
#2.1
06/07/1983
RPI 659
Carta-patente expirada
#21.1
Patente extinta em 20/04/98
07/01/2008
RPI 1956
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