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Official data from INPI

APARELHO DE TORNEIRA DE GAS

ConcedidaInvention Patent

Application data

Number

PI7905899

Type

Invention Patent

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant09/06/83
  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.

Talk to a specialist

Latest action published by the INPI: 09/06/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RINNAI KK [JP]

Inventors

H. I. (pessoa física)

M. K. (pessoa física)

M. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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