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Official data from INPI

CAVILHA COM LUVA DE EXPANSÃO

Em AnáliseInvention Patent

Application data

Number

PI8800678

Type

Invention Patent

Filing

02/19/1988

Publication

10/04/1988

Progress at the INPI

  1. Filing02/19/88
  2. Publication10/04/88
  3. Examination12/13/88
  4. Allowance06/25/91
  5. Grant03/31/92
  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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fischerwerke Artur Fischer Gmbh & CO KG.

DE

See this company's full portfolio

Inventors

P. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 05 654.9 · 02/21/1987

DE

P 37 07 510.1 · 03/09/1987

DE

P 37 19 034.2 · 06/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

10/04/1988

RPI 937

Pedido de patente depositado

#2.1

05/10/1988

RPI 916

Carta-patente expirada

#21.1

Patente extinta em 19/02/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

02/05/1991

RPI 1053

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