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Official data from INPI

ESTEIRA ARTICULADA DE ESPIRAIS COM PROTEÇÃO DAS BORDAS

Em AnáliseInvention Patent

Application data

Number

PI8600468

Type

Invention Patent

Filing

01/22/1986

Publication

10/21/1986

Progress at the INPI

  1. Filing01/22/86
  2. Publication10/21/86
  3. Examination02/03/87
  4. Allowance06/13/89
  5. Grant02/06/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hermann Wangner Gmbh & Co. Kg

DE

Inventors

G. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 3501981.6 · 01/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/10/1989

RPI 990

Deferimento

#9.1

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

02/03/1987

RPI 850

Publicação do pedido de patente

#3.1

10/21/1986

RPI 835

Pedido de patente depositado

#2.1

07/29/1986

RPI 823

Carta-patente expirada

#21.1

Patente extinta em 22/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/06/1990

RPI 1005

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