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Official data from INPI

PORTA-COPOS

Em AnáliseUtility Model

Application data

Number

MU6601977

Type

Utility Model

Filing

10/21/1986

Publication

05/31/1988

Progress at the INPI

  1. Filing10/21/86
  2. Publication05/31/88
  3. Examination02/21/89
  4. Allowance04/10/90
  5. Grant10/30/90
  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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. L. (pessoa física)

RJ, BR

Inventors

I. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 21/10/1996

07/01/2008

RPI 1956

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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