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Official data from INPI

UNIDADE DE CONTROLE DE PRESSÃO DE CIRCUITO DUPLO.

ConcedidaInvention Patent

Application data

Number

PI8004174

Type

Invention Patent

Filing

07/04/1980

Publication

-

Progress at the INPI

  1. Filing07/04/80
  2. Publication
  3. Examination03/02/82
  4. Allowance01/03/84
  5. Grant08/27/85
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

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Inventors

S. B. (pessoa física)

T. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

292 7423.5 · 07/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

06/18/1985

RPI 765

110

03/26/1985

RPI 753

Recurso

#12.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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