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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent
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Application data

Number

PI7806348

Type

Invention Patent

Filing

09/25/1978

Publication

-
View on INPI

Progress at the INPI

  1. Filing09/25/78
  2. Publication
  3. Examination
  4. Allowance03/09/82
  5. Grant
  6. Terminated04/27/93

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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas

SP, BR

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

11/07/1989

RPI 994

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Notificação para pagamento de retribuição

#13.1

06/29/1982

RPI 610

Deferimento

#9.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

04/27/1993

RPI 1169

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