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Official data from INPI

SEMEADORA PNEUMÁTICA DE PRECISÃO À VÁCUO, COM SISTEMA DOSADOR DE DISCO METÁLICA PERFURADO INTERCAMBIÁVEL

Prazo de SigiloInvention Patent

Application data

Number

PI8901731

Type

Invention Patent

Filing

04/07/1989

Publication

10/30/1990

Progress at the INPI

Under appeal
  1. Filing04/07/89
  2. Publication10/30/90
  3. Examination04/06/93
  4. Refused10/04/94
  5. Grant
  6. In force

The application was refused by the INPI on 10/04/1994. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade Estadual de Campinas - Unicamp

SP, BR

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Inventors

W. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Indeferimento

#9.2

10/04/1994

RPI 1244

Conhecimento de parecer técnico

#7.1

01/18/1994

RPI 1207

14.1

05/04/1993

RPI 1170

Solicitação de exame técnico

#4.1

04/06/1993

RPI 1166

Publicação do pedido de patente

#3.1

10/30/1990

RPI 1039

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