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Official data from INPI

BOMBA CENTRÍFUGA TENDO COMPONENTES RESISTENTES AO DESGASTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000069

Type

Invention Patent

Filing

01/09/1990

Publication

10/08/1991

Progress at the INPI

  1. Filing01/09/90
  2. Publication10/08/91
  3. Examination04/14/92
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Barrett, Haentjens & CO

US

Inventors

T. S. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/01/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

10/08/1991

RPI 1088

Pedido de patente depositado

#2.1

05/01/1990

RPI 1016

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