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Official data from INPI

TURBOCOMPRESSOR E PROCESSO PARA CONTROLAR SEU FUNCIONAMENTO

ConcedidaInvention Patent

Application data

Number

PI7802389

Type

Invention Patent

Filing

06/08/1977

Publication

-

Progress at the INPI

  1. Filing06/08/77
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant08/30/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GARRETT CORP

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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