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Official data from INPI

APERFEIÇOAMENTO EM CALOTA PARA VEÍCULO AUTOMOTOR

Em AnáliseInvention Patent

Application data

Number

PI8705140

Type

Invention Patent

Filing

09/03/1987

Publication

04/12/1988

Progress at the INPI

  1. Filing09/03/87
  2. Publication04/12/88
  3. Examination06/28/88
  4. Allowance03/10/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Autometal Indústria e Comércio Ltda

SP, BR

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação antecipada

#3.2

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 03/09/2002

07/29/2008

RPI 1960

20.4

03/15/1994

RPI 1215

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/10/1992

RPI 1110

Exigência - art. 36 da LPI

#6.1

08/13/1991

RPI 1080

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