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Official data from INPI

PROCESSO DE PREPARACAO DE UM PRODUTO FIBROSO POSSUINDO FIBRAS CELULOSICAS,PROTUDO ASSIM OBTIDO E SEU EMPREGO COMO REVESTIMENTO

ConcedidaInvention Patent

Application data

Number

PI7807634

Type

Invention Patent

Filing

11/23/1977

Publication

-

Progress at the INPI

  1. Filing11/23/77
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant12/27/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

Inventors

E. G. (pessoa física)

G. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/10/1983

RPI 655

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

01/19/1982

RPI 587

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

Pedido de licença compulsória

#20.1

08/04/1992

RPI 1131

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