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Official data from INPI

ENGRENAGEM COM DUAS ÁRVORES IMPULSORAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003166

Type

Invention Patent

Filing

07/04/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/04/90
  2. Publication08/27/91
  3. Examination03/17/92
  4. Allowance07/28/98
  5. Grant12/29/98
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

DE

R. A. (pessoa física)

DE

Inventors

R. D. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 40 833.7 · 12/11/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

07/28/1998

RPI 1440

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

14.4

11/26/1991

RPI 1095

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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