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Official data from INPI

BOMBA DE ROTOR DE GERADOR

Arquivada/ExtintaInvention PatentPCT · GB1989000587

Application data

Number

PI8907478

Type

Invention Patent

Filing

05/26/1989

Publication

04/02/1991

PCT

GB1989000587

Progress at the INPI

  1. Filing05/26/89
  2. Publication04/02/91
  3. Examination09/10/91
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Concentric Pumps Limited.

GB

See this company's full portfolio

Inventors

R. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8813646.0 · 06/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/05/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Exigência - art. 36 da LPI

#6.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Notificação de entrada na fase nacional - PCT

#1.3

04/02/1991

RPI 1061

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