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Official data from INPI

DISPOSITIVO PARA A REGULAGEM AUTOMÁTICA DE ESPESSURA DOS MANGOTES, APLICÁVEL EM MÁQUINAS ESTRUSORAS E DE SOPRO PARA PLÁSTICOS

Em AnáliseInvention Patent

Application data

Number

PI7800305

Type

Invention Patent

Filing

01/18/1978

Publication

-

Progress at the INPI

  1. Filing01/18/78
  2. Publication
  3. Examination
  4. Allowance01/12/82
  5. Grant
  6. Terminated05/17/88

The patent was granted 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

SP, BR

N. O. (pessoa física)

SP, BR

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Cessão de direito de exploração

#22.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

05/11/1982

RPI 603

Deferimento

#9.1

01/12/1982

RPI 586

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