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

VÁLVULA DE ENCAIXE LUBRIFICADA

ConcedidaInvention Patent

Application data

Number

PI8304403

Type

Invention Patent

Filing

08/15/1983

Publication

03/27/1984

Progress at the INPI

  1. Filing08/15/83
  2. Publication03/27/84
  3. Examination04/01/86
  4. Allowance09/27/88
  5. Grant08/29/89
  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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. M. (pessoa física)

US

K. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

408107 · 08/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

15.19

12/15/1987

RPI 895

Retificação

#15.3

10/20/1987

RPI 887

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

03/27/1984

RPI 701

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Carta-patente expirada

#21.1

Patente extinta em 15/08/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

11/05/1991

RPI 1092

Patent monitoring

Track this patent in real time.

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