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Official data from INPI

FERRAGEM PARA PASTA ARQUIVO

ConcedidaUtility Model

Application data

Number

MU6000351

Type

Utility Model

Filing

03/28/1980

Publication

10/06/1981

Progress at the INPI

  1. Filing03/28/80
  2. Publication10/06/81
  3. Examination10/05/82
  4. Allowance01/10/84
  5. Grant09/25/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUIZ BUSTAMANTE FERNANDEZ [BR]

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

10/05/1982

RPI 624

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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