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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE LINGOTES OCOS CHAPEADOS

Arquivada/ExtintaInvention PatentPCT · DE1990000335

Application data

Number

PI9007180

Type

Invention Patent

Filing

05/08/1990

Publication

01/28/1992

PCT

DE1990000335

Progress at the INPI

  1. Filing05/08/90
  2. Publication01/28/92
  3. Examination03/30/93
  4. Allowance06/02/98
  5. Grant11/24/98
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

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Inventors

C. P. (pessoa física)

DE

F. P. (pessoa física)

DE

I. H. (pessoa física)

DE

L. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 16 114.5 · 05/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

06/02/1998

RPI 1432

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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