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Official data from INPI

PORTA-LÂMINA, SOBRETUDO PORTA-LÂMINA DE APLAINAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8704387

Type

Invention Patent

Filing

08/26/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/26/87
  2. Publication04/19/88
  3. Examination08/30/88
  4. Allowance06/18/91
  5. Grant03/31/92
  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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gebr. Leitz Gmbh & Co.

DE

Inventors

K. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 29 157.9 · 08/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 26/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

10/15/1991

RPI 1089

Deferimento

#9.1

06/18/1991

RPI 1072

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