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Official data from INPI

DISPOSITIVO PARA AUTO-LIMPEZA DE CENTRÍFUGAS

Prazo de SigiloUtility Model

Application data

Number

MU6901203

Type

Utility Model

Filing

07/07/1989

Publication

05/07/1991

Progress at the INPI

  1. Filing07/07/89
  2. Publication05/07/91
  3. Examination08/17/93
  4. Allowance04/26/94
  5. Grant10/25/94
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Philips do Brasil Ltda

SP, BR

See this company's full portfolio

Inventors

P. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Carta-patente expirada

#21.1

Patente extinta em 07/07/1999 conforme o disposto no artigo 24 da Lei 5772 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/23/1994

RPI 1238

Deferimento

#9.1

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

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