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Official data from INPI

APERFEIÇOAMENTO EM CONJUNTO DE TRANSMISSÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905170

Type

Invention Patent

Filing

10/12/1989

Publication

04/03/1990

Progress at the INPI

  1. Filing10/12/89
  2. Publication04/03/90
  3. Examination07/16/91
  4. Allowance11/23/93
  5. Grant10/25/94
  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.

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Latest action published by the INPI: 08/28/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústrias Romi S/A

SP, BR

See this company's full portfolio

Inventors

G. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

A classificação anterior era: F16H 57/02.

08/28/2012

RPI 2173

Carta-patente expirada

#21.1

Patente extinta em 12/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

15.15

03/19/1991

RPI 1059

Publicação antecipada

#3.2

04/03/1990

RPI 1012

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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