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Official data from INPI

APERFEIÇOAMENTOS EM TAMPAS METÁLICAS PARA FECHAMENTO À VÁCUO PARA RECIPIENTES

Em AnáliseInvention Patent

Application data

Number

PI8800359

Type

Invention Patent

Filing

01/29/1988

Publication

07/05/1988

Progress at the INPI

  1. Filing01/29/88
  2. Publication07/05/88
  3. Examination11/22/88
  4. Allowance10/05/93
  5. Grant11/03/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalgrafica Rojek Ltda

SP, BR

Metalgrafica Rojek S/A

SP, BR

See this company's full portfolio

Inventors

A. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação antecipada

#3.2

07/05/1988

RPI 924

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 29/01/2003

09/02/2008

RPI 1965

201

04/25/1995

RPI 1273

Pedido de licença voluntária

#17.1

11/01/1994

RPI 1248

14.4

03/22/1994

RPI 1216

Concessão da patente

#16.1

11/03/1993

RPI 1196

100

10/05/1993

RPI 1192

120

07/20/1993

RPI 1181

Petição de recurso

#12.2

04/27/1993

RPI 1169

Indeferimento

#9.2

02/16/1993

RPI 1159

Conhecimento de parecer técnico

#7.1

10/20/1992

RPI 1142

Exigência - art. 36 da LPI

#6.1

08/13/1991

RPI 1080

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