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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8306710

Type

Invention Patent

Filing

03/22/1983

Publication

07/16/1985

Progress at the INPI

  1. Filing03/22/83
  2. Publication07/16/85
  3. Examination09/17/85
  4. Allowance08/02/88
  5. Grant03/28/89
  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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

See this company's full portfolio

Inventors

J. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

10/27/1987

RPI 888

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Notificação de entrada na fase nacional - PCT

#1.3

02/07/1984

RPI 694

Carta-patente expirada

#21.1

Patente extinta em 22/03/98

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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