(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA PRODUCAO DE PAPEL E PRODUTOS OBTIDOS

ConcedidaInvention Patent

Application data

Number

PI7704079

Type

Invention Patent

Filing

06/25/1976

Publication

-

Progress at the INPI

  1. Filing06/25/76
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Expired07/13/93

The letters patent expired on 07/13/1993: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEXTER LTD C H

Inventors

J. N. (pessoa física)

S. A. (pessoa física)

W. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

09/06/1983

RPI 672

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

6.2

01/26/1982

RPI 588

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.