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Official data from INPI

PROTETOR EXTERNO PARA BIQUEIRAS DE CALCADOS

ConcedidaUtility Model

Application data

Number

MU6001708

Type

Utility Model

Filing

12/18/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing12/18/80
  2. Publication08/03/82
  3. Examination10/13/82
  4. Allowance11/01/83
  5. Grant04/24/84
  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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VULCABRAS SA IND E COMERCIO [BR]

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

07/05/1983

RPI 663

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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