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Official data from INPI

CONEXÃO MECÂNICA PARA TUBOS DE PLÁSTICO FLEXÍVEL

PublicadaInvention Patent
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Application data

Number

PI8904134

Type

Invention Patent

Filing

08/17/1989

Publication

11/21/1989
View on INPI

Progress at the INPI

  1. Filing08/17/89
  2. Publication11/21/89
  3. Examination01/09/90
  4. Allowance08/11/92
  5. Grant07/26/94
  6. Invalidated10/22/96

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

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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

Dutoflex Tubos Flexíveis Ind. e Com. Ltda

SP, BR

L. N. (pessoa física)

SP, BR

Inventors

L. N. (pessoa física)

BR

Technical data

IPC Classification

F16L 19/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

200

10/22/1996

RPI 1351

Pedido de licença voluntária

#17.1

06/13/1995

RPI 1280

Pedido de licença voluntária

#17.1

05/02/1995

RPI 1274

Concessão da patente

#16.1

07/26/1994

RPI 1234

14.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/16/1993

RPI 1198

110

09/08/1993

RPI 1188

Recurso

#12.1

12/08/1992

RPI 1149

Deferimento

#9.1

08/11/1992

RPI 1132

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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