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Official data from INPI

ELEMENTO DE FORMA, E , SISTEMA DE FORMA

Prazo de SigiloInvention Patent

Application data

Number

PI8902454

Type

Invention Patent

Filing

05/30/1989

Publication

12/04/1990

Progress at the INPI

  1. Filing05/30/89
  2. Publication12/04/90
  3. Examination05/25/93
  4. Allowance05/09/95
  5. Grant11/28/95
  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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. B. (pessoa física)

ZA

Inventors

H. B. (pessoa física)

ZA

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Carta-patente expirada

#21.1

Patente extinta em 30/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

09/26/1995

RPI 1295

Deferimento

#9.1

05/09/1995

RPI 1275

Conhecimento de parecer técnico

#7.1

12/20/1994

RPI 1255

Solicitação de exame técnico

#4.1

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

12/04/1990

RPI 1044

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