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Official data from INPI

JUNTA DE ESFERA

Em AnáliseInvention Patent

Application data

Number

PI8801659

Type

Invention Patent

Filing

04/07/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/07/88
  2. Publication11/16/88
  3. Examination06/27/89
  4. Allowance04/14/92
  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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW Ehrenreich GmbH & Co KG

DE

See this company's full portfolio

Inventors

M. G. (pessoa física)

DE

W. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 12 460.9 · 04/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/27/1989

RPI 975

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/09/1988

RPI 929

Carta-patente expirada

#21.1

Patente extinta em 07/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

09/15/1992

RPI 1137

Republicação - classificação IPC

#15.11

05/12/1992

RPI 1119

Deferimento

#9.1

04/14/1992

RPI 1115

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

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