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Official data from INPI

ÊMBOLO MERGULHADOR REFRIGERADO PARA MOTORES DE COMBUSTÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101806

Type

Invention Patent

Filing

05/06/1991

Publication

12/17/1991

Progress at the INPI

  1. Filing05/06/91
  2. Publication12/17/91
  3. Examination10/05/93
  4. Allowance01/16/96
  5. Grant08/27/96
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle Gmbh

DE

See this company's full portfolio

Inventors

H. W. (pessoa física)

DE

M. U. (pessoa física)

DE

P. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 14 704.5 · 05/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/05/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

08/27/1996

RPI 1343

100

01/16/1996

RPI 1311

Petição de recurso

#12.2

02/07/1995

RPI 1262

Indeferimento

#9.2

11/08/1994

RPI 1249

Pedido de certificado de adição de invenção

#5.1

03/01/1994

RPI 1213

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

12/17/1991

RPI 1098

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