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Official data from INPI

DISPOSITIVO PARA TESTE DE TRAÇÃO DE ÂNCORAS SEM CEPO.

Prazo de SigiloInvention Patent

Application data

Number

PI8703055

Type

Invention Patent

Filing

06/18/1987

Publication

01/03/1989

Progress at the INPI

  1. Filing06/18/87
  2. Publication01/03/89
  3. Examination02/13/91
  4. Allowance11/16/93
  5. Grant10/25/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dedini S/A Siderurgica

SP, BR

M. Dedini S/A Metalúrgica

SP, BR

Inventors

L. C. (pessoa física)

BR

M. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

2.2

01/31/1989

RPI 954

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 18/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/16/1993

RPI 1198

14.1

03/16/1993

RPI 1163

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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