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Official data from INPI

CONVERSOR DE ENERGIA

Em AnáliseInvention Patent

Application data

Number

PI8407070

Type

Invention Patent

Filing

09/17/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/17/84
  2. Publication08/13/85
  3. Examination07/28/87
  4. Allowance07/18/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Louis Worms, holandês, construtor

BE

Inventors

L. W. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

2/60204 · 09/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1985

RPI 773

Carta-patente expirada

#21.1

Patente extinta em 17/09/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

04/24/1990

RPI 1015

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