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Official data from INPI

SEM TITULO

Em ExigênciaInvention Patent

Application data

Number

PI8006310

Type

Invention Patent

Filing

02/05/1980

Publication

-

Progress at the INPI

  1. Filing02/05/80
  2. Publication
  3. Examination09/28/82
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Expired11/07/95

The letters patent expired on 11/07/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. F. (pessoa física)

FR

Inventors

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/16/1985

RPI 769

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

04/12/1983

RPI 651

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Republicação - classificação IPC

#15.11

As classificações anteriores eram: H04N 7/16,G06K 19/06

06/05/2012

RPI 2161

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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