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

PROCESSO DE FABRICACAO DE PELICULA TENDO ALTERACAO UNIFORME DE RESISTENCIA COM A TEMPERATURA,PROCESSO DE FABRICACAO DE TERMOMETRO DE RESISTENCIA E TERMOMETRO OBTIDO PELO DITO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7800229

Type

Invention Patent

Filing

01/17/1977

Publication

-

Progress at the INPI

  1. Filing01/17/77
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant
  6. Terminated02/25/86

The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENGELHARD MIN & CHEM

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Pedido de licença compulsória

#20.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Patent monitoring

Track this patent in real time.

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