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

SEM TITULO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8101281

Type

Invention Patent

Filing

02/26/1981

Publication

10/26/1982
View on INPI

Progress at the INPI

  1. Filing02/26/81
  2. Publication10/26/82
  3. Examination12/26/84
  4. Allowance12/17/85
  5. Grant08/26/86
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse do Brasil S.A.

RJ, BR

See this company's full portfolio

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

H01R 4/70

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

Pedido de licença compulsória

#20.1

11/03/1992

RPI 1144

Pedido de licença compulsória

#20.1

08/07/1990

RPI 1027

Related

Patent monitoring

Track this patent in real time.

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