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Official data from INPI

MECANISMO DE BLOCO DESLIZANTE DE PASSIVIDADE RADIAL PARA UM COMPRESSOR EM VOLUTA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005566

Type

Invention Patent

Filing

11/01/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing11/01/90
  2. Publication09/17/91
  3. Examination11/12/91
  4. Allowance09/06/94
  5. Grant04/25/95
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

H. J. (pessoa física)

US

S. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

432,249 · 11/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/11/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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