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

TRATAMENTO PARA APERFEIÇOAR A SATURABILIDADE EM INGREDIENTE NORMAL DE SATURAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8106752

Type

Invention Patent

Filing

10/20/1981

Publication

07/06/1982

Progress at the INPI

  1. Filing10/20/81
  2. Publication07/06/82
  3. Examination04/05/83
  4. Allowance01/06/87
  5. Grant09/29/87
  6. Terminated02/04/92

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. O. (pessoa física)

Technical data

IPC Classification

Priority claims

US

198.534 · 10/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Conhecimento de parecer técnico

#7.1

10/08/1985

RPI 781

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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