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Official data from INPI

ELETRODO DE SOLDAGEM REVESTIDO

Em AnáliseInvention Patent

Application data

Number

PI8007188

Type

Invention Patent

Filing

11/09/1979

Publication

-

Progress at the INPI

  1. Filing11/09/79
  2. Publication
  3. Examination06/14/83
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

US

Inventors

M. H. (pessoa física)

V. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/02/1986

RPI 828

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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