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Official data from INPI

SEPARADOR DE PLASMA COMPACTO E APARELHO QUE CONTÉM O MESMO

Prazo de SigiloInvention Patent

Application data

Number

PI8902410

Type

Invention Patent

Filing

05/26/1989

Publication

01/08/1991

Progress at the INPI

  1. Filing05/26/89
  2. Publication01/08/91
  3. Examination08/27/91
  4. Allowance06/28/94
  5. Grant01/31/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asahi Medical Co. Ltd

JP

Inventors

S. A. (pessoa física)

JP

T. H. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Republicação - classificação IPC

#15.11

01/19/2010

RPI 2037

Carta-patente expirada

#21.1

Patente extinta em 26/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

08/27/1991

RPI 1082

Publicação do pedido de patente

#3.1

01/08/1991

RPI 1049

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