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Official data from INPI

PLACA DE CONSTRUCAO EM SANDUICHE E PROCESSO PARA SUA FABRICACAO

ConcedidaInvention Patent

Application data

Number

PI8402683

Type

Invention Patent

Filing

06/02/1983

Publication

05/07/1985

Progress at the INPI

  1. Filing06/02/83
  2. Publication05/07/85
  3. Examination06/16/87
  4. Allowance06/28/88
  5. Grant03/28/89
  6. Terminated06/13/95

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REDLAND TECHNOLOGY LTD [GB]

Inventors

A. (pessoa física)

A. W. (pessoa física)

B. H. (pessoa física)

C. P. (pessoa física)

S. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

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