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Official data from INPI

PROCESSO PARA UM TELEFONE DE ALTOFALANTE,CONTROLADO PELA VOZ

ConcedidaInvention Patent

Application data

Number

PI7801935

Type

Invention Patent

Filing

03/30/1977

Publication

-

Progress at the INPI

  1. Filing03/30/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant08/30/83
  6. Terminated09/18/90

The patent was granted on 08/30/1983 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS AG

See this company's full portfolio

Inventors

G. S. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

Pedido de certificado de adição de invenção

#5.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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