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Official data from INPI

JUNTA ESTRUTURAL PARA DILATAÇÃO

PublicadaInvention Patent
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Application data

Number

PI8802309

Type

Invention Patent

Filing

05/12/1988

Publication

12/05/1989
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Progress at the INPI

Under appeal
  1. Filing05/12/88
  2. Publication12/05/89
  3. Examination08/07/90
  4. Refused10/05/93
  5. Grant
  6. In force

The application was refused by the INPI on 10/05/1993. The invention was never patented.

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Latest action published by the INPI: 12/05/1989. 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

B. F. (pessoa física)

FR

Technical data

IPC Classification

E01D 19/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Indeferimento

#9.2

10/05/1993

RPI 1192

Conhecimento de parecer técnico

#7.1

04/13/1993

RPI 1167

Conhecimento de parecer técnico

#7.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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