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Official data from INPI

EQUIPAMENTO PARA TESTE DE CAPSULAS TELEFONICAS

ConcedidaInvention Patent
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Application data

Number

PI7905541

Type

Invention Patent

Filing

08/29/1979

Publication

-
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Progress at the INPI

  1. Filing08/29/79
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant01/31/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAO PAULO TELECOM TELESP SA

Inventors

B. N. (pessoa física)

G. M. (pessoa física)

H. N. (pessoa física)

Technical data

IPC Classification

H04M 1/24H04R 29/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

Exigência - art. 36 da LPI

#6.1

01/04/1983

RPI 637

Exigência - art. 36 da LPI

#6.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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