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Official data from INPI

estator de comutação e método para sua fabricação.

Em AnáliseInvention Patent

Application data

Number

PI7700985

Type

Invention Patent

Filing

02/17/1977

Publication

-

Progress at the INPI

  1. Filing02/17/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated05/10/88

The patent was granted on 07/27/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alps Electric Co. Ltd.

See this company's full portfolio

Inventors

S. N. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

51/17767 · 02/20/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

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