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Official data from INPI

ARTICULAÇÃO DE ESFERA

Em AnáliseInvention Patent

Application data

Number

PI8706270

Type

Invention Patent

Filing

11/20/1987

Publication

06/28/1988

Progress at the INPI

  1. Filing11/20/87
  2. Publication06/28/88
  3. Examination10/18/88
  4. Allowance09/03/91
  5. Grant06/30/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/18/1988. 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

E. I. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 3639 962.0 · 11/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/18/1988

RPI 939

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 20/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/07/1992

RPI 1101

Deferimento

#9.1

09/03/1991

RPI 1083

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