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Official data from INPI

MÁQUINA E MOTOR DE CONVERSÃO DE ENERGIA

Arquivada/ExtintaInvention PatentPCT · NO1990000003

Application data

Number

PI9006998

Type

Invention Patent

Filing

01/04/1990

Publication

10/01/1991

PCT

NO1990000003

Progress at the INPI

  1. Filing01/04/90
  2. Publication10/01/91
  3. Examination03/31/92
  4. Allowance04/19/94
  5. Grant11/29/94
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

3D International A/S

NO

Inventors

T. L. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

890081 · 01/09/1989

NO

895204 · 12/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/01/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

Deferimento

#9.1

04/19/1994

RPI 1220

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Notificação de entrada na fase nacional - PCT

#1.3

10/01/1991

RPI 1087

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