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

ELASTOMEROS DO TIPO ETILENO-PROPILENO-TERMONOMERO E MISTURAS VULCANIZAVEIS E ARTIGOS QUE COMPORTAM TAIS ELASTOMEROS

ConcedidaInvention Patent

Application data

Number

PI7605821

Type

Invention Patent

Filing

09/02/1975

Publication

-

Progress at the INPI

  1. Filing09/02/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICHELIN & CIE

See this company's full portfolio

Inventors

Z. Y. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

Patent monitoring

Track this patent in real time.

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