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Official data from INPI

PROCESSO PARA UNIR AS EXTREMIDADES DE OBRAS VIÁRIAS À PISTA DE RODAGEM E AO ATERRO DAS OBRAS

Em AnáliseInvention Patent

Application data

Number

PI8701913

Type

Invention Patent

Filing

04/22/1987

Publication

11/01/1988

Progress at the INPI

Under appeal
  1. Filing04/22/87
  2. Publication11/01/88
  3. Examination01/03/89
  4. Refused08/13/91
  5. Grant
  6. In force

The application was refused by the INPI on 08/13/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stup - Sociedade Técnica para Utilização da Pré-Tensão (Processos Freyssinet) S/A

RJ, BR

Inventors

J. M. (pessoa física)

FR

P. D. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Indeferimento

#9.2

08/13/1991

RPI 1080

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