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Official data from INPI

DISPOSITIVO EM CONEXAO COM UM ELEMENTO BATEDOR PARA APARELHO TRITURADOR PARA MATERIAL FIBROSO,PREFERIVELMENTE VEGETAL

ConcedidaInvention Patent

Application data

Number

PI7901291

Type

Invention Patent

Filing

03/03/1978

Publication

-

Progress at the INPI

  1. Filing03/03/78
  2. Publication
  3. Examination12/08/81
  4. Allowance02/08/83
  5. Grant07/26/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEFIBRATOR AB

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Inventors

J. J. (pessoa física)

Technical data

IPC Classification

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

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Solicitação de exame técnico

#4.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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