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Official data from INPI

APERFEIÇOAMENTO EM CONECTOR PARA TUBOS

Em AnáliseUtility Model

Application data

Number

MU6502188

Type

Utility Model

Filing

03/04/1985

Publication

10/07/1986

Progress at the INPI

  1. Filing03/04/85
  2. Publication10/07/86
  3. Examination12/09/86
  4. Allowance01/05/93
  5. Grant07/27/93
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tubos e Conexões Tigre Ltda

SC, BR

See this company's full portfolio

Inventors

D. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/25/1989

RPI 979

14.4

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação do pedido de patente

#3.1

10/07/1986

RPI 833

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/27/1993

RPI 1169

Deferimento

#9.1

01/05/1993

RPI 1153

15.10

11/24/1992

RPI 1147

Exigência - art. 36 da LPI

#6.1

02/11/1992

RPI 1106

Republicação - classificação IPC

#15.11

05/28/1991

RPI 1069

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