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Official data from INPI

MOTOR DE PEQUENAS DIMENSOES

ConcedidaInvention Patent
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Application data

Number

PI7708385

Type

Invention Patent

Filing

12/21/1976

Publication

-
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Progress at the INPI

  1. Filing12/21/76
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant07/26/83
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MATSUSHITA ELECTRIC IND CO LTD

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Inventors

F. T. (pessoa física)

K. M. (pessoa física)

Technical data

IPC Classification

H02K 1/00H02K 3/00H02K 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/24/1982

RPI 618

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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