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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent
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Application data

Number

PI7608865

Type

Invention Patent

Filing

02/26/1976

Publication

-
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Progress at the INPI

  1. Filing02/26/76
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated11/24/87

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.

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Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

H04M 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

133

11/08/1983

RPI 681

100

09/27/1983

RPI 675

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