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Official data from INPI

PROPULSOR DE DISCO COM COLUNA DE MONTAGEM DE CAMARA DE PRESSAO SUPER-ATMOSFERICA

Em AnáliseInvention Patent

Application data

Number

PI7807253

Type

Invention Patent

Filing

11/14/1977

Publication

-

Progress at the INPI

  1. Filing11/14/77
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant
  6. Terminated01/28/92

The patent was granted 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: 04/13/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BURROUGHS CORP

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

Deferimento

#9.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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