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Official data from INPI

ESTRUTURA DE SUPORTE ANTI-SÍSMICA PARA BLOCO MACIÇO

Em AnáliseInvention Patent

Application data

Number

PI8305431

Type

Invention Patent

Filing

10/03/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing10/03/83
  2. Publication05/07/85
  3. Examination06/16/87
  4. Allowance01/08/91
  5. Grant08/27/91
  6. 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 specialist

Latest action published by the INPI: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electricite De France (Service National)

FR

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Inventors

P. B. (pessoa física)

FR

R. G. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 03/10/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/23/1991

RPI 1064

Republicação - classificação IPC

#15.11

03/05/1991

RPI 1057

Deferimento

#9.1

01/08/1991

RPI 1049

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