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

APERFEICOAMENTO EM REGULADOR DE TEMPERATURA PARA PULVERIZAR UM LIQUIDO EM UMA CORRENTE GASOSA

Em AnáliseInvention Patent

Application data

Number

PI7708100

Type

Invention Patent

Filing

12/06/1976

Publication

-

Progress at the INPI

  1. Filing12/06/76
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant
  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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

YARWAY CORP

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/05/1988

RPI 911

Cessão de direito de exploração

#22.1

08/19/1986

RPI 826

Pedido de licença compulsória

#20.1

11/01/1983

RPI 680

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Patent monitoring

Track this patent in real time.

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