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

Processo para hidrofobização de pigmentos de brilho de pérola, pigmentos e emprego.

ConcedidaInvention Patent

Application data

Number

PI8301569

Type

Invention Patent

Filing

03/25/1983

Publication

12/06/1983

Progress at the INPI

  1. Filing03/25/83
  2. Publication12/06/83
  3. Examination01/14/86
  4. Allowance11/08/88
  5. Grant07/25/89
  6. Terminated02/18/92

The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. H. (pessoa física)

DE

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 11 166.5 · 03/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

02/28/1989

RPI 958

Deferimento

#9.1

11/08/1988

RPI 942

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

12/06/1983

RPI 685

Pedido de patente depositado

#2.1

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

Patent monitoring

Track this patent in real time.

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