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Official data from INPI

LIGAÇÃO ENTRE TUBO DE MATERIAL DE LIGAÇÃO DE FIBRAS E UM PINO DE AÇO

Em AnáliseInvention Patent

Application data

Number

PI8803871

Type

Invention Patent

Filing

08/04/1988

Publication

02/21/1989

Progress at the INPI

  1. Filing08/04/88
  2. Publication02/21/89
  3. Examination10/17/89
  4. Allowance10/29/91
  5. Grant09/29/92
  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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G K N Glaenzer Spicer S.A..

FR

Lõhr & Bromkamp GmbH

DE

Inventors

W. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3725959.8 · 08/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/17/1989

RPI 991

Publicação do pedido de patente

#3.1

02/21/1989

RPI 957

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Carta-patente expirada

#21.1

Patente extinta em 04/08/2003

09/02/2008

RPI 1965

Pedido de licença compulsória

#20.1

08/20/1996

RPI 1342

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/10/1992

RPI 1110

Deferimento

#9.1

10/29/1991

RPI 1091

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