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Official data from INPI

REGULADOR DE PRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8001814

Type

Invention Patent

Filing

03/26/1980

Publication

-

Progress at the INPI

  1. Filing03/26/80
  2. Publication
  3. Examination03/02/82
  4. Allowance04/19/83
  5. Grant11/29/83
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

See this company's full portfolio

Inventors

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

2911 886.3 · 03/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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