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Official data from INPI

CARBONO EM FORMATO DE FOLHA OU FORMATO DE FITA

Em AnáliseInvention Patent

Application data

Number

PI7900764

Type

Invention Patent

Filing

04/21/1978

Publication

-

Progress at the INPI

  1. Filing04/21/78
  2. Publication
  3. Examination12/29/81
  4. Allowance08/09/83
  5. Grant03/27/84
  6. Terminated06/14/88

The patent was granted on 03/27/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. H. (pessoa física)

Inventors

M. T. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Exigência - art. 36 da LPI

#6.1

09/21/1982

RPI 622

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

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