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Official data from INPI

PEÇAS DE CONEXÃO PARA TUBULAÇÕES QUE CONDUZEM MEIOS GASOSOS OU LÍQUIDOS.

ConcedidaInvention Patent

Application data

Number

PI7905881

Type

Invention Patent

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant10/25/83
  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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. S. (pessoa física)

DE

Inventors

S. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

2840648.6 · 09/19/1978

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

Exigência - art. 36 da LPI

#6.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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