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

ELEMENTO DE ENCHIMENTO DE COLUNA; PROCESSO PARA A PRÁTICA DA TRANSFERÊNCIA DE MASSA ENTRE VAPOR E LÍQUIDO

PublicadaInvention Patent

Application data

Number

PI8901120

Type

Invention Patent

Filing

03/10/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/10/89
  2. Publication10/31/89
  3. Abandoned10/16/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

M. L. (pessoa física)

US

R. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

169.592 · 03/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Arquivamento por falta de pagamento

#8.6

referente a 8ª, 9ª, 10ª e 11ª anuidade

03/21/2000

RPI 1524

8.1

Referente a 8ª, 9ª e 10ª anuidade

12/01/1998

RPI 1456

Conhecimento de parecer técnico

#7.1

09/10/1996

RPI 1345

14.1

09/05/1995

RPI 1292

14.4

08/29/1995

RPI 1291

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Related

Patent monitoring

Track this patent in real time.

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