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Official data from INPI

NIVELADOR E DISPOSITIVO NIVELADOR MAGNETICAMENTE COMPRIMIDOS, ESPECIALMENTE COM MOLDE REDONDO (CILINDRO PENEIRADOR)

Arquivada/ExtintaInvention PatentPCT · AT1991000010

Application data

Number

PI9103971

Type

Invention Patent

Filing

01/16/1991

Publication

05/19/1992

PCT

AT1991000010

Progress at the INPI

  1. Filing01/16/91
  2. Publication05/19/92
  3. Examination08/03/93
  4. Allowance04/18/95
  5. Grant11/28/95
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. Z. (pessoa física)

AT

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Inventors

J. Z. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 181/90 · 01/26/1990

AT

A 92/90 · 01/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/01/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

09/12/1995

RPI 1293

Deferimento

#9.1

04/18/1995

RPI 1272

Solicitação de exame técnico

#4.1

08/03/1993

RPI 1183

Notificação de entrada na fase nacional - PCT

#1.3

05/19/1992

RPI 1120

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