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Official data from INPI

ENGATE RÁPIDO PARA TUBULAÇÕES.

Em AnáliseInvention Patent

Application data

Number

PI8106708

Type

Invention Patent

Filing

10/19/1981

Publication

05/24/1983

Progress at the INPI

  1. Filing10/19/81
  2. Publication05/24/83
  3. Examination09/27/83
  4. Allowance11/27/84
  5. Grant06/24/86
  6. In force10/19/01

The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.

Protection valid until:10/19/2001

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Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cia. Hansen Industrial

SC, BR

Tigre Participaçoes S/A.

SC, BR

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

13.2

07/08/1986

RPI 820

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

05/13/1986

RPI 812

Notificação para pagamento de retribuição

#13.1

03/11/1986

RPI 803

110

12/10/1985

RPI 790

Recurso

#12.1

04/02/1985

RPI 754

Deferimento

#9.1

11/27/1984

RPI 736

8.1

07/03/1984

RPI 715

Pedido de certificado de adição de invenção

#5.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

20.4

09/05/1995

RPI 1292

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