Official data from INPI

TRANSCEPTOR DUPLEX

ConcedidaInvention Patent

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Application data

Number

PI8003537

Type

Invention Patent

Filing

06/08/1979

Publication

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Progress at the INPI

Filing06/08/79
Publication
Examination04/19/83
Allowance02/14/84
Grant09/25/84
Terminated09/25/90

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLESSEY HANDEL INVESTMENT AG

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Inventors

R. C. (pessoa física)

Technical data

IPC Classification

H04B 1/40

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

04/19/1983

RPI 652

14.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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