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Official data from INPI

TUBO RÍGIDO COM FLEXIBILIDADE

Em AnáliseUtility Model
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Application data

Number

MU6700009

Type

Utility Model

Filing

01/07/1987

Publication

06/09/1987
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Progress at the INPI

  1. Filing01/07/87
  2. Publication06/09/87
  3. Examination08/11/87
  4. Allowance12/11/90
  5. Grant06/25/91
  6. Expired09/18/01

The letters patent expired on 09/18/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

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Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

F16L 9/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação antecipada

#3.2

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 07/01/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

03/26/1991

RPI 1060

Deferimento

#9.1

12/11/1990

RPI 1045

Exigência - art. 36 da LPI

#6.1

06/26/1990

RPI 1024

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