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

AQUECEDOR INDIRETO DA COLUNA DE DESTILACAO

Em AnáliseInvention Patent

Application data

Number

PI8007751

Type

Invention Patent

Filing

11/27/1980

Publication

-

Progress at the INPI

  1. Filing11/27/80
  2. Publication
  3. Examination
  4. Allowance12/13/83
  5. Grant08/27/85
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Codistil S.A - Denini

SP, BR

Inventors

G. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

02/23/1988

RPI 905

20.4

02/17/1988

RPI 904

Pedido de licença compulsória

#20.1

02/09/1988

RPI 903

Concessão da patente

#16.1

08/27/1985

RPI 775

15.15

06/18/1985

RPI 765

110

03/26/1985

RPI 753

Recurso

#12.1

03/27/1984

RPI 701

Deferimento

#9.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

Patent monitoring

Track this patent in real time.

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