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Official data from INPI

VÁLVULA BORBOLETA.

ConcedidaInvention Patent

Application data

Number

PI8006215

Type

Invention Patent

Filing

09/26/1980

Publication

06/01/1982

Progress at the INPI

  1. Filing09/26/80
  2. Publication06/01/82
  3. Examination08/07/84
  4. Allowance08/20/85
  5. Grant03/17/87
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CBV Indústria Mecânica S A

RJ, BR

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Inventors

I. A. (pessoa física)

J. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

110

07/01/1986

RPI 819

Recurso

#12.1

12/17/1985

RPI 791

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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