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Official data from INPI

CONJUNTO PRE-MONTADO DE PRENDEDOR E ARRUELA ADAPTADA PARA MONTAGEM EM UM PRENDEDOR COM CABECA

Em AnáliseInvention Patent

Application data

Number

PI8007149

Type

Invention Patent

Filing

11/07/1979

Publication

-

Progress at the INPI

  1. Filing11/07/79
  2. Publication
  3. Examination08/02/83
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITW do Brasil Participações Ltda

SP, BR

See this company's full portfolio

Inventors

W. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/31/1987

RPI 858

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

20.7

07/09/1991

RPI 1075

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