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Official data from INPI

PROCESSO PARA PRODUZIR ELEMENTOS DE CONSTRUÇÃO LEVES E COM VARIAS CAMADAS

Em AnáliseInvention Patent

Application data

Number

PI8200041

Type

Invention Patent

Filing

01/06/1982

Publication

10/26/1982

Progress at the INPI

  1. Filing01/06/82
  2. Publication10/26/82
  3. Examination12/18/84
  4. Allowance04/29/86
  5. Grant11/25/86
  6. Terminated11/29/88

The patent was granted on 11/25/1986 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Internationella Siporex Ab

SE

Inventors

R. J. (pessoa física)

FR

R. G. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8100039-0 · 01/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/29/1988

RPI 945

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

12/18/1984

RPI 739

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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