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Official data from INPI

SISTEMA DE TRANSMISSÃO AUXILIAR DE ENTRADA, SEÇÃO AUXILIAR DE ENTRADA E TRANSMISSÃO AUXILIAR DE ENTRADA.

PublicadaInvention Patent

Application data

Number

PI8901221

Type

Invention Patent

Filing

03/13/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/13/89
  2. Publication10/31/89
  3. Examination10/22/91
  4. Allowance11/22/94
  5. Grant07/25/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

167,944 · 03/14/1988

US

168,030 · 03/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Carta-patente expirada

#21.1

Patente extinta em 13/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

03/28/1995

RPI 1269

Deferimento

#9.1

11/22/1994

RPI 1251

Exigência - art. 36 da LPI

#6.1

05/11/1993

RPI 1171

Exigência - art. 36 da LPI

#6.1

09/22/1992

RPI 1138

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

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