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

SOLUÇÃO AQUOSA ÁCIDA PARA O TRATAMENTO DE SUBSTRATOS RECEPTIVOS DE METAL, PROCESSO PARA O TRATAMENTO DE UM SUBSTRATO RECEPTIVO DE METAL E SUBSTRATO RECEPTIVO

ConcedidaInvention Patent

Application data

Number

PI8202218

Type

Invention Patent

Filing

04/16/1982

Publication

03/29/1983

Progress at the INPI

  1. Filing04/16/82
  2. Publication03/29/83
  3. Examination12/27/83
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated11/15/94

The patent was granted on 12/29/1987 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: 12/29/1987. 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

B. J. (pessoa física)

US

D. C. (pessoa física)

US

R. H. (pessoa física)

US

R. L. (pessoa física)

US

Technical data

IPC Classification

No IPC classification.

Priority claims

US

154.700 · 04/16/1981

US

254.699 · 04/16/1981

US

254.728 · 04/16/1981

US

273526 · 06/15/1997

US

274.007 · 06/15/1997

US

274.601 · 06/17/1997

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

02/05/1985

RPI 746

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

03/29/1983

RPI 649

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

Patent monitoring

Track this patent in real time.

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