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Official data from INPI

APERFEIÇOAMENTOS EM TAMPAS DE FECHAMENTO A VÁCUO, DOTANDO-AS DE MEIOS PARA FACIL ABERTURA

Em AnáliseInvention Patent

Application data

Number

PI8404072

Type

Invention Patent

Filing

08/14/1984

Publication

12/11/1984

Progress at the INPI

Under appeal
  1. Filing08/14/84
  2. Publication12/11/84
  3. Examination03/12/85
  4. Refused08/25/92
  5. Grant
  6. In force

The application was refused by the INPI on 08/25/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalgrafica Rojek Ltda

SP, BR

See this company's full portfolio

Inventors

J. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação antecipada

#3.2

12/11/1984

RPI 738

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

Indeferimento

#9.2

08/25/1992

RPI 1134

Conhecimento de parecer técnico

#7.1

12/03/1991

RPI 1096

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