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Official data from INPI

CONDENSADOR COM CONTATO DIRETO BAROMÉTRICO E MÉTODO PARA PRODUZIR CONDENSADO DE UM VAPOR

Arquivada/ExtintaInvention PatentPCT · LK1988000001

Application data

Number

PI8807662

Type

Invention Patent

Filing

08/11/1988

Publication

06/05/1990

PCT

LK1988000001

Progress at the INPI

  1. Filing08/11/88
  2. Publication06/05/90
  3. Examination07/30/91
  4. Allowance01/05/93
  5. Grant08/31/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. S. (pessoa física)

LK

Inventors

D. S. (pessoa física)

LK

Technical data

IPC Classification

Priority claims

LK

9794 · 08/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

01/05/1993

RPI 1153

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

Notificação de entrada na fase nacional - PCT

#1.3

06/05/1990

RPI 1021

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