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Official data from INPI

APERFEIÇOAMENTO EM ACOPLAMENTOS CENTRÍFUGOS.

Em AnáliseInvention Patent

Application data

Number

PI8607017

Type

Invention Patent

Filing

01/31/1986

Publication

12/01/1987

Progress at the INPI

  1. Filing01/31/86
  2. Publication12/01/87
  3. Examination04/05/88
  4. Allowance07/23/91
  5. Grant04/28/92
  6. Terminated10/03/95

The patent was granted on 04/28/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Flexibox Limited, companhia britânica

GB

Inventors

J. H. (pessoa física)

GB

N. W. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

GB

8502838 · 02/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Notificação de entrada na fase nacional - PCT

#1.3

12/01/1987

RPI 893

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

11/19/1991

RPI 1094

Deferimento

#9.1

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

02/19/1991

RPI 1055

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