Official data from INPI

ENVIADOR DE TESTE

Em AnáliseInvention Patent

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Application data

Number

PI7902216

Type

Invention Patent

Filing

04/10/1979

Publication

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Progress at the INPI

Filing04/10/79
Publication
Examination
Allowance01/11/83
Grant10/25/83
Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD ELECTRICA SA

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

H04M 3/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

07/29/1986

RPI 823

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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