Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8006558

Type

Invention Patent

Filing

10/10/1980

Publication

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Progress at the INPI

Filing10/10/80
Publication
Examination07/12/83
Allowance05/22/84
Grant12/26/84
Expired11/14/95

The letters patent expired on 11/14/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telettra - Telefonia Eletronica e Rádio S.p.A.

Inventors

P. E. (pessoa física)

Technical data

IPC Classification

H01P 3/12 H01P 7/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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