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

ARTIGO REVESTIDO

ConcedidaInvention Patent

Application data

Number

PI8108417

Type

Invention Patent

Filing

12/29/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing12/29/80
  2. Publication10/13/82
  3. Examination11/13/84
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Terminated09/25/90

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

R. K. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Conhecimento de parecer técnico

#7.1

07/16/1985

RPI 769

Solicitação de exame técnico

#4.1

11/13/1984

RPI 734

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

Related

From the same holder

Patent monitoring

Track this patent in real time.

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