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Official data from INPI

ÊMBOLO MERGULHADOR REFRIGERADO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101842

Type

Invention Patent

Filing

05/07/1991

Publication

12/17/1991

Progress at the INPI

  1. Filing05/07/91
  2. Publication12/17/91
  3. Examination10/05/93
  4. Allowance08/30/94
  5. Grant04/25/95
  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

L. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 14 703.7 · 05/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/05/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/03/1995

RPI 1257

Deferimento

#9.1

08/30/1994

RPI 1239

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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