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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7806350

Type

Invention Patent

Filing

09/26/1978

Publication

-

Progress at the INPI

  1. Filing09/26/78
  2. Publication
  3. Examination
  4. Allowance07/06/82
  5. Grant01/25/83
  6. Terminated04/27/93

The patent was granted on 01/25/1983 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Qt-Engenharia e Equipamentos S/A

SP, BR

Inventors

F. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

04/12/1988

RPI 912

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/03/1982

RPI 628

Deferimento

#9.1

07/06/1982

RPI 611

14.4

04/06/1982

RPI 598

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

04/27/1993

RPI 1169

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