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Official data from INPI

VÁLVULA DE CONTROLE DE PRESSÃO DE CIRCUITO DUPLO.

ConcedidaInvention Patent

Application data

Number

PI8101296

Type

Invention Patent

Filing

03/06/1981

Publication

-

Progress at the INPI

  1. Filing03/06/81
  2. Publication
  3. Examination09/27/83
  4. Allowance10/09/84
  5. Grant02/25/86
  6. Terminated08/23/94

The patent was granted on 02/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

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Inventors

L. D. (pessoa física)

S. H. (pessoa física)

T. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 09 288.7 · 03/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

12/03/1985

RPI 789

110

10/08/1985

RPI 781

Recurso

#12.1

02/12/1985

RPI 747

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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