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Official data from INPI

APARELHO DE DIREÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8803546

Type

Invention Patent

Filing

07/14/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing07/14/88
  2. Publication02/08/89
  3. Examination10/03/89
  4. Allowance08/04/92
  5. Grant04/27/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trw Inc.

US

See this company's full portfolio

Inventors

W. G. (pessoa física)

US

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

073,711 · 07/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/03/1989

RPI 989

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Carta-patente expirada

#21.1

Patente extinta em 14/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/04/1992

RPI 1131

Republicação - classificação IPC

#15.11

05/12/1992

RPI 1119

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

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