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

PROCESSO PARA PREPARAÇÃO DE ARTIGO REFRATÁRIO, ISOLANTE TÉRMICO

ConcedidaInvention Patent

Application data

Number

PI8104723

Type

Invention Patent

Filing

07/22/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing07/22/81
  2. Publication03/01/83
  3. Examination08/23/83
  4. Allowance11/29/88
  5. Grant08/29/89
  6. Terminated02/04/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco Trading A.G.

CH

See this company's full portfolio

Inventors

A. B. (pessoa física)

GB

R. Y. (pessoa física)

GB

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

11/29/1988

RPI 945

Exigência - art. 36 da LPI

#6.1

04/05/1988

RPI 911

Exigência - art. 36 da LPI

#6.1

08/11/1987

RPI 877

Conhecimento de parecer técnico

#7.1

07/15/1986

RPI 821

Pedido de certificado de adição de invenção

#5.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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