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Official data from INPI

ESTRADA PROVISÓRIA E PROCESSO PARA CONSTRUÍ-LA

PublicadaInvention Patent
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Application data

Number

PI8900917

Type

Invention Patent

Filing

02/28/1989

Publication

10/24/1989
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Progress at the INPI

Under appeal
  1. Filing02/28/89
  2. Publication10/24/89
  3. Examination11/26/91
  4. Refused12/13/94
  5. Grant
  6. In force

The application was refused by the INPI on 12/13/1994. The invention was never patented.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. P. (pessoa física)

US

Inventors

J. P. (pessoa física)

US

Technical data

IPC Classification

E01C 9/08E01C 9/10

Priority claims

US

161,780 · 02/29/1988

US

195,371 · 05/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Indeferimento

#9.2

12/13/1994

RPI 1254

Conhecimento de parecer técnico

#7.1

04/19/1994

RPI 1220

Retificação

#15.6

08/03/1993

RPI 1183

Retificação

#15.3

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

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