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

PROCESSO PARA IMPEDIR DECOMPOSICAO POR OXIDACAO DE SUBSTANCIAS SENSIVEIS E EMBALAGEM PARA PROTECAO DE SOLUCOES

ConcedidaInvention Patent

Application data

Number

PI7805697

Type

Invention Patent

Filing

09/06/1977

Publication

-

Progress at the INPI

  1. Filing09/06/77
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ASTRA LAEKEMEDEL AB

Inventors

E. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Exigência - art. 36 da LPI

#6.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

Patent monitoring

Track this patent in real time.

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