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

PROCESSO PARA OBTER UM REVESTIMENTO DE OURO APERFEICOADO RESISTENTE A CORROSAO SOBRE UM SUBSTRATO E REVESTIMENTO ASSIM OBTIDO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8107041

Type

Invention Patent

Filing

10/31/1980

Publication

07/20/1982
View on INPI

Progress at the INPI

  1. Filing10/31/80
  2. Publication07/20/82
  3. Examination09/13/83
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated05/24/88

The patent was granted on 03/17/1987 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP [US]

See this company's full portfolio

Inventors

M. J. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

C25D 3/48C25D 5/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Related

Patent monitoring

Track this patent in real time.

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