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Official data from INPI

CABEÇOTE DE FACAS PARA CORTADEIRA

PublicadaInvention Patent

Application data

Number

PI8803886

Type

Invention Patent

Filing

08/05/1988

Publication

05/02/1989

Progress at the INPI

  1. Filing08/05/88
  2. Publication05/02/89
  3. Examination01/16/90
  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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G.Walter Steffens Gmbh & CO

DE

Inventors

M. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3732237.0 · 09/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/02/1989

RPI 967

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Carta-patente expirada

#21.1

Patente extinta em 05/08/2003

09/02/2008

RPI 1965

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

Solicitação de exame técnico

#4.1

01/16/1990

RPI 1002

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