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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7806340

Type

Invention Patent

Filing

09/26/1978

Publication

-

Progress at the INPI

  1. Filing09/26/78
  2. Publication
  3. Examination
  4. Allowance11/10/81
  5. Grant07/27/82
  6. Terminated04/27/93

The patent was granted on 07/27/1982 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: 04/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ant Nachrichtentechnik Gmbh

DE

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Inventors

E. W. (pessoa física)

H. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/10/1984

RPI 703

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

04/27/1993

RPI 1169

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