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

VEDACAO A PROVA DE FOGO PARA VALVULAS

Em AnáliseInvention Patent

Application data

Number

PI8102268

Type

Invention Patent

Filing

04/14/1980

Publication

11/24/1981

Progress at the INPI

  1. Filing04/14/80
  2. Publication11/24/81
  3. Examination12/20/83
  4. Allowance05/07/85
  5. Grant12/31/85
  6. Terminated05/16/89

The patent was granted on 12/31/1985 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROCKWELL INTERNATIONAL CORP

See this company's full portfolio

Inventors

F. H. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/16/1989

RPI 969

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Publicação do pedido de patente

#3.1

11/24/1981

RPI 579

Patent monitoring

Track this patent in real time.

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