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

PROCESSO E APARELHO PARA INSPECAO DE UMA SUPERFICIE

ConcedidaInvention Patent

Application data

Number

PI8104756

Type

Invention Patent

Filing

07/23/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing07/23/81
  2. Publication03/01/83
  3. Examination11/06/84
  4. Allowance05/27/86
  5. Grant03/31/87
  6. Terminated09/13/94

The patent was granted on 03/31/1987 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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIBBEY OWENS FORD CO [US]

Inventors

M. D. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

11/25/1986

RPI 840

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

Patent monitoring

Track this patent in real time.

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