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

MISTURAS VULCANIZAVEIS OU RETICULAVEIS DE BORRACHA HALOGENADA,PROCESSO PARA SUA VULCANIZACAO OU RETICULACAO,BEM COMO EMPREGO DO PRODUTO HALOGENADO ASSIM OBTIDO

ConcedidaInvention Patent

Application data

Number

PI7902679

Type

Invention Patent

Filing

05/05/1978

Publication

-

Progress at the INPI

  1. Filing05/05/78
  2. Publication
  3. Examination02/02/82
  4. Allowance11/03/87
  5. Grant05/31/88
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEGUSSA

See this company's full portfolio

Inventors

T. E. (pessoa física)

W. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

6.2

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Patent monitoring

Track this patent in real time.

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