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Official data from INPI

ESTABILIZADOR DESLIGAVEL PARA COLOCACAO EM UMA HASTE DE PERFURACAO

Em AnáliseInvention Patent

Application data

Number

PI8002678

Type

Invention Patent

Filing

05/04/1979

Publication

-

Progress at the INPI

  1. Filing05/04/79
  2. Publication
  3. Examination03/15/83
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Terminated05/17/88

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MORICH TOOL CO

Inventors

M. J. (pessoa física)

R. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Pedido de licença compulsória

#20.1

01/22/1985

RPI 744

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

03/15/1983

RPI 647

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