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Official data from INPI

FORNO DE RETORTA GIRATORIA,DISPOSITIVO DE CARREGAMENTO PARA O MESMO E PROCESSOS DE FORMACAO DE VERRUMA HELICOIDAL INTERNA E RETORTA GIRATORIA PARA USO NO FORNO

Em AnáliseInvention Patent

Application data

Number

PI7606266

Type

Invention Patent

Filing

09/22/1975

Publication

-

Progress at the INPI

  1. Filing09/22/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated05/21/85

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.

Talk to a specialist

Latest action published by the INPI: 05/21/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SUNBEAM EQUIP CORP

Inventors

B. E. (pessoa física)

L. R. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/21/1985

RPI 761

Cessão de direito de exploração

#22.1

11/20/1984

RPI 735

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

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