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Official data from INPI

UNIDADE VALVULAR PARA COMPRESSORES ALTERNADOS PARA REFRIGERADORES E SIMILARES

Arquivada/ExtintaInvention PatentPCT · EP1990000883

Application data

Number

PI9006794

Type

Invention Patent

Filing

06/05/1990

Publication

08/06/1991

PCT

EP1990000883

Progress at the INPI

  1. Filing06/05/90
  2. Publication08/06/91
  3. Examination11/26/91
  4. Allowance06/21/94
  5. Grant03/28/95
  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

Aspera S.r.l.

IT

Inventors

F. P. (pessoa física)

IT

N. A. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67453 A/89 · 06/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/06/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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