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Official data from INPI

MAQUINA DE APERTAR GRAMPOS PARA FERROVIA

Em AnáliseInvention Patent

Application data

Number

PI8704698

Type

Invention Patent

Filing

09/10/1987

Publication

03/21/1989

Progress at the INPI

  1. Filing09/10/87
  2. Publication03/21/89
  3. Abandoned11/14/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. N. (pessoa física)

MG, BR

Inventors

V. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

03/21/1989

RPI 961

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

11.3

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

03/26/1991

RPI 1060

Pedido de certificado de adição de invenção

#5.1

03/20/1990

RPI 1010

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