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Official data from INPI

CONJUNTO DE FORMA GUIA E ESCORAMENTO PARA CONSTRUÇÃO DE PAREDES MONOLÍTICAS.

DeferidaUtility Model
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Application data

Number

MU6502067

Type

Utility Model

Filing

12/05/1985

Publication

07/28/1987
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Progress at the INPI

  1. Filing12/05/85
  2. Publication07/28/87
  3. Examination11/03/87
  4. Allowance09/12/89
  5. Grant05/29/90
  6. Expired03/12/96

The letters patent expired on 03/12/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

BA, BR

Inventors

D. A. (pessoa física)

BR

Technical data

IPC Classification

E04G 11/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

07/28/1987

RPI 875

Pedido de patente depositado

#2.1

04/01/1986

RPI 806

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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