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

APERFEICOAMENTOS EM MATERIAL DE TRANSFERENCIA POR CALOR E PROCESSO PARA MARCAR UMA SUPERFICIE

ConcedidaInvention Patent

Application data

Number

PI7704839

Type

Invention Patent

Filing

07/23/1976

Publication

-

Progress at the INPI

  1. Filing07/23/76
  2. Publication
  3. Examination
  4. Allowance08/09/83
  5. Grant09/29/87
  6. Terminated01/21/92

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. K. (pessoa física)

Inventors

L. A. (pessoa física)

R. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

110

06/09/1987

RPI 868

120

01/21/1987

RPI 848

Recurso

#12.1

12/06/1983

RPI 685

Deferimento

#9.1

08/09/1983

RPI 668

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

6.2

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

Patent monitoring

Track this patent in real time.

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