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

PROCESSO DE OBTENÇÃO DE UMA SUSPENSÃO ESTÁVEL E ATOMIZÁVEL OU PULVERIZÁVEL DE SÍLICA PRECIPITADA

DeferidaInvention Patent

Application data

Number

PI8306425

Type

Invention Patent

Filing

11/23/1983

Publication

06/26/1984

Progress at the INPI

  1. Filing11/23/83
  2. Publication06/26/84
  3. Examination07/08/86
  4. Allowance09/26/89
  5. Grant03/20/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. B. (pessoa física)

FR

See this company's full portfolio

Inventors

J. J. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

82.19646 · 11/24/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

03/07/1989

RPI 959

Conhecimento de parecer técnico

#7.1

09/27/1988

RPI 936

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

07/08/1986

RPI 820

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Carta-patente expirada

#21.1

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/23/1990

RPI 1003

Patent monitoring

Track this patent in real time.

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