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Official data from INPI

ANEL DE VEDACAO PARA GUARNICOES PARA ALTA TEMPERATURA

Em AnáliseInvention Patent

Application data

Number

PI7704967

Type

Invention Patent

Filing

07/28/1976

Publication

-

Progress at the INPI

  1. Filing07/28/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant08/17/82
  6. Terminated12/15/87

The patent was granted on 08/17/1982 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLEIN SCHANZLIN & BECKER AG

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Inventors

A. R. (pessoa física)

K. H. (pessoa física)

Z. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

08/17/1982

RPI 617

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

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