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Official data from INPI

DISPOSITIVO DE TRATAMENTO DE TIRA DE PAPEL

ConcedidaInvention Patent

Application data

Number

PI8008380

Type

Invention Patent

Filing

12/17/1979

Publication

-

Progress at the INPI

  1. Filing12/17/79
  2. Publication
  3. Examination08/30/83
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Terminated02/04/92

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WAERTSILAE OY AB [FI]

Inventors

J. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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