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Official data from INPI

SISTEMA DE ARMAÇÃO TRIANGULADA PARA EMPREGO NA FORMAÇÃO DE CONCRETO.

Em AnáliseInvention Patent

Application data

Number

PI8506549

Type

Invention Patent

Filing

12/28/1985

Publication

09/09/1986

Progress at the INPI

  1. Filing12/28/85
  2. Publication09/09/86
  3. Examination10/11/88
  4. Allowance04/10/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aluma Systems Incorporated, companhia holandesa.

CA

Inventors

R. J. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

471.047-9 · 12/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

10/17/1989

RPI 991

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

04/01/1986

RPI 806

Carta-patente expirada

#21.1

Patente extinta em 28/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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