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Official data from INPI

PROCESSO E APARELHO PARA PRODUÇÃO DE BLOCOS PARA CONSTRUÇÃO CIVIL

DeferidaInvention Patent

Application data

Number

PI8503851

Type

Invention Patent

Filing

08/14/1985

Publication

05/27/1986

Progress at the INPI

  1. Filing08/14/85
  2. Publication05/27/86
  3. Examination07/05/88
  4. Allowance11/07/89
  5. Grant08/28/90
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. T. (pessoa física)

IT

Inventors

M. T. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

85632/A/84 · 09/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/07/1989

RPI 994

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Carta-patente expirada

#21.1

Patente extinta em 14/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

03/13/1990

RPI 1009

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