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Official data from INPI

Aperfeiçoamento em viga para estruturação em formas de concreto

Arquivada/ExtintaUtility Model

Application data

Number

MU7102917

Type

Utility Model

Filing

02/20/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing02/20/91
  2. Publication11/26/91
  3. Examination05/12/92
  4. Allowance09/30/97
  5. Grant06/30/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Jahu Indústria e Comércio Ltda

RJ, BR

See this company's full portfolio

Inventors

A. J. (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 20/02/2006

08/26/2008

RPI 1964

Concessão da patente

#16.1

06/30/1998

RPI 1436

Deferimento

#9.1

09/30/1997

RPI 1400

15.10

04/22/1997

RPI 1377

Republicação - classificação IPC

#15.11

01/21/1997

RPI 1364

Conhecimento de parecer técnico

#7.1

06/11/1996

RPI 1332

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação antecipada

#3.2

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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