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Official data from INPI

APARELHO DE DISTRIBUIÇÃO DE GÁS.

ConcedidaInvention Patent

Application data

Number

PI7905278

Type

Invention Patent

Filing

08/16/1979

Publication

-

Progress at the INPI

  1. Filing08/16/79
  2. Publication
  3. Examination06/29/82
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A/S Niro Atomizer

DK

Inventors

L. F. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Priority claims

DK

3640/78 · 08/17/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

03/15/1994

RPI 1215

20.4

03/08/1994

RPI 1214

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