Deferimento
#9.1
10/10/1989
RPI 990
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Official data from INPI
ESTICADOR BI-PARTIDO PARA BARRAS FUNCIONANDO À TRAÇÃO.
DeferidaInvention Patent
Application data
Number
PI8602431Type
Invention Patent
Filing
05/28/1986
Publication
02/24/1987
Progress at the INPI
- Filing05/28/86
- Publication02/24/87
- Examination04/28/87
- Allowance10/10/89
- Grant05/29/90
- Expired07/22/08
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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Construções E Comércio Camargo Corrêa S/A., empresa brasileira, industrial e comercial
SP, BR
Inventors
L. F. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
04/28/1987
RPI 862
Publicação antecipada
#3.2
02/24/1987
RPI 853
Pedido de patente depositado
#2.1
11/18/1986
RPI 839
Carta-patente expirada
#21.1
Patente extinta em 28/05/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
05/29/1990
RPI 1020
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