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Official data from INPI

DISPOSITIVO POSICIONADOR DE VÁLVULA DE GAVETA E DE BATENTE DESLIZANTE NUM COMPRESSOR HELICOIDAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105155

Type

Invention Patent

Filing

11/27/1991

Publication

07/21/1992

Progress at the INPI

  1. Filing11/27/91
  2. Publication07/21/92
  3. Examination11/17/92
  4. Allowance12/19/95
  5. Grant12/31/96
  6. Expired07/06/10

The letters patent expired on 07/06/2010: 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: 07/06/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

D. S. (pessoa física)

US

M. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/620,116 · 11/30/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/11/2006

07/06/2010

RPI 2061

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

06/25/1996

RPI 1334

Deferimento

#9.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

07/21/1992

RPI 1129

Pedido de patente depositado

#2.1

01/28/1992

RPI 1104

Pedido de patente depositado

#2.1

01/14/1992

RPI 1102

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