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Official data from INPI

SISTEMA DE FORÇA MAGNETICA PARA TRANSPORTE DE CARGAS COM ATRITO REDUZIDO

Em AnáliseInvention PatentPCT · EP1987000100
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Application data

Number

PI8706040

Type

Invention Patent

Filing

02/23/1987

Publication

01/19/1988

PCT

EP1987000100
View on INPI

Progress at the INPI

  1. Filing02/23/87
  2. Publication01/19/88
  3. Examination09/13/88
  4. Allowance09/24/91
  5. Grant09/29/92
  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.

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Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. S. (pessoa física)

DE

Inventors

P. S. (pessoa física)

DE

Technical data

IPC Classification

B61B 13/08

Priority claims

DE

P 3606459.9 · 02/27/1986

DE

P 3635258.6 · 10/16/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Notificação de entrada na fase nacional - PCT

#1.3

01/19/1988

RPI 900

Carta-patente expirada

#21.1

Patente extinta em 23/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

01/28/1992

RPI 1104

Deferimento

#9.1

09/24/1991

RPI 1086

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