(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO E APARELHO PARA FUNDICAO CONTINUA DE ELETRODOS NAO REFINADOS

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI7802482

Type

Invention Patent

Filing

04/20/1977

Publication

-
View on INPI

Progress at the INPI

  1. Filing04/20/77
  2. Publication
  3. Examination
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BICC LTD

Inventors

B. J. (pessoa física)

N. W. (pessoa física)

Technical data

IPC Classification

C25C 7/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

10/06/1987

RPI 885

Republicação - classificação IPC

#15.11

03/04/1986

RPI 802

6.2

01/19/1982

RPI 587

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.