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Official data from INPI

RESERVATÓRIO PARA LÍQUIDO CRIOGÊNICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006055

Type

Invention Patent

Filing

11/29/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/29/90
  2. Publication09/24/91
  3. Examination12/21/93
  4. Allowance03/14/95
  5. Grant10/31/95
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Liquide Brasil S/A

SP, BR

See this company's full portfolio

Inventors

C. K. (pessoa física)

FR

D. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 15843 · 12/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/11/2005

06/08/2010

RPI 2057

Alteração de nome deferida

#25.4

01/21/1998

RPI 1413

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

12/21/1993

RPI 1203

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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