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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM TRINCHA

ConcedidaUtility Model

Application data

Number

MU6301820

Type

Utility Model

Filing

12/05/1983

Publication

07/09/1985

Progress at the INPI

  1. Filing12/05/83
  2. Publication07/09/85
  3. Examination09/01/87
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PINCÉIS TIGRE S/A

SP, BR

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Inventors

N. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

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