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Official data from INPI

ESTATOR PARA MOTOR ELÉTRICO E PROCESSO DE FABRICAÇÃO DO ESTATOR.

ConcedidaInvention Patent

Application data

Number

PI8103102

Type

Invention Patent

Filing

05/19/1981

Publication

-

Progress at the INPI

  1. Filing05/19/81
  2. Publication
  3. Examination02/26/85
  4. Allowance10/29/86
  5. Grant09/27/88
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

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Inventors

L. F. (pessoa física)

N. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

110

06/28/1988

RPI 923

Recurso

#12.1

10/13/1987

RPI 886

11.8

08/11/1987

RPI 877

Retificação

#15.3

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

8.1

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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