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Official data from INPI

REFINADOR DE DISCO

Em AnáliseInvention Patent

Application data

Number

PI7702369

Type

Invention Patent

Filing

04/15/1976

Publication

-

Progress at the INPI

  1. Filing04/15/76
  2. Publication
  3. Examination
  4. Allowance11/29/83
  5. Grant04/24/84
  6. Terminated12/08/87

The patent was granted on 04/24/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENSO GUTZEIT OY

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Inventors

H. S. (pessoa física)

M. J. (pessoa física)

P. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

100

11/29/1983

RPI 684

120

05/17/1983

RPI 656

Petição de recurso

#12.2

02/24/1982

RPI 592

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