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Official data from INPI

CONJUNTO DE EIXO-ROTOR DE CERÂMICA E PROCESSO DE FIXAÇÃO DE EIXO-ROTOR DE CERÂMICA A EIXO DE METAL

DeferidaInvention Patent

Application data

Number

PI8503233

Type

Invention Patent

Filing

07/05/1985

Publication

12/09/1986

Progress at the INPI

  1. Filing07/05/85
  2. Publication12/09/86
  3. Examination03/17/87
  4. Allowance11/21/89
  5. Grant05/29/90
  6. Terminated07/25/95

The patent was granted on 05/29/1990 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

678.742 · 12/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/21/1989

RPI 996

Exigência - art. 36 da LPI

#6.1

07/18/1989

RPI 978

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Solicitação de exame técnico

#4.1

03/17/1987

RPI 856

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Concessão da patente

#16.1

05/29/1990

RPI 1020

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