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Official data from INPI

DISPOSITIVO PARA APLICAÇÃO DE CONCRETO PROJETADO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905365

Type

Invention Patent

Filing

10/17/1989

Publication

04/23/1991

Progress at the INPI

  1. Filing10/17/89
  2. Publication04/23/91
  3. Examination09/24/91
  4. Allowance11/28/95
  5. Grant07/30/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. F. (pessoa física)

SP, BR

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/30/1996

RPI 1339

Deferimento

#9.1

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Publicação do pedido de patente

#3.1

04/23/1991

RPI 1064

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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