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Official data from INPI

PROCESSO DE PRODUCAO DE POLPA DE MADEIRA

ConcedidaInvention Patent

Application data

Number

PI7805664

Type

Invention Patent

Filing

02/16/1978

Publication

-

Progress at the INPI

  1. Filing02/16/78
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant11/29/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MO OCH DOMSJOE AB

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

6.2

01/26/1982

RPI 588

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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