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Official data from INPI

COMPRESSOR DE DIAFRAGMA PARA UNIDADES DE REFRIGERAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102676

Type

Invention Patent

Filing

06/20/1991

Publication

06/09/1992

Progress at the INPI

  1. Filing06/20/91
  2. Publication06/09/92
  3. Examination01/05/93
  4. Allowance10/11/94
  5. Grant06/27/95
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. O. (pessoa física)

SP, BR

Inventors

W. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/06/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/21/1995

RPI 1264

Deferimento

#9.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

01/05/1993

RPI 1153

Publicação antecipada

#3.2

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

03/03/1992

RPI 1109

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