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Official data from INPI

TAMPA PARA FECHAMENTO REMOVÍVEL DE ABERTURAS TUBULARES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003111

Type

Invention Patent

Filing

06/22/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing06/22/90
  2. Publication08/27/91
  3. Examination09/21/93
  4. Allowance10/25/94
  5. Grant06/27/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel GmbH

DE

See this company's full portfolio

Inventors

S. B. (pessoa física)

DE

Technical data

Priority claims

DE

P 39 27 325.3 · 08/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/06/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/01/1995

RPI 1265

Deferimento

#9.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

12/18/1990

RPI 1046

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