(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SISTEMA DE REFRIGERAÇÃO PARA UM GERADOR DISPOSTO EM UM POÇO CIRCUNDADO DE ÁGUA CORRENTE

Arquivada/ExtintaInvention PatentPCT · AT1989000100

Application data

Number

PI8907765

Type

Invention Patent

Filing

11/07/1989

Publication

08/27/1991

PCT

AT1989000100

Progress at the INPI

  1. Filing11/07/89
  2. Publication08/27/91
  3. Examination03/30/93
  4. Allowance11/07/95
  5. Grant08/27/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

AT

Inventors

F. S. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 2759/88 · 11/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/27/1996

RPI 1343

Deferimento

#9.1

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.