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Official data from INPI

SISTEMA NUMA PLATAFORMA DE CONCRETO AO LARGO.

Em AnáliseInvention Patent

Application data

Number

PI8605555

Type

Invention Patent

Filing

02/12/1986

Publication

04/22/1987

Progress at the INPI

  1. Filing02/12/86
  2. Publication04/22/87
  3. Examination10/04/88
  4. Allowance04/24/90
  5. Grant10/30/90
  6. 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 specialist

Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

NO

Inventors

O. S. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

850517 · 02/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

04/04/1989

RPI 963

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Notificação de entrada na fase nacional - PCT

#1.3

04/22/1987

RPI 861

Carta-patente expirada

#21.1

Patente extinta em 12/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

04/24/1990

RPI 1015

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