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Official data from INPI

APERFEICOAMENTO EM LACRE PARA BOTIJAO DE GAS

Em AnáliseInvention Patent

Application data

Number

PI8300556

Type

Invention Patent

Filing

02/04/1983

Publication

06/21/1983

Progress at the INPI

  1. Filing02/04/83
  2. Publication06/21/83
  3. Examination10/25/83
  4. Allowance06/18/85
  5. Grant12/31/85
  6. In force02/04/03

The patent was granted on 12/31/1985 and is in force until 02/04/2003. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:02/04/2003

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIQUIGAS DO BRASIL S A [BR]

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

22.2

11/21/1989

RPI 996

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/01/1985

RPI 780

Deferimento

#9.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação antecipada

#3.2

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

20.5

09/10/1991

RPI 1084

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