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

APARELHO E PROCESSO PARA O TRATAMENTO DE MATERIAL DE FIBRA DE CELULOSE

ConcedidaInvention Patent

Application data

Number

PI7703037

Type

Invention Patent

Filing

05/11/1976

Publication

-

Progress at the INPI

  1. Filing05/11/76
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Terminated08/28/90

The patent was granted on 01/25/1983 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: 01/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAMYR INC

See this company's full portfolio

Inventors

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

Patent monitoring

Track this patent in real time.

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