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Official data from INPI

MÁQUINA PARA SANFONAR TUBO

ConcedidaInvention Patent

Application data

Number

PI8500803

Type

Invention Patent

Filing

02/15/1985

Publication

09/23/1986

Progress at the INPI

  1. Filing02/15/85
  2. Publication09/23/86
  3. Examination12/09/86
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tuboforma Indústria e Comércio Ltda

SP, BR

Inventors

F. U. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação do pedido de patente

#3.1

09/23/1986

RPI 831

Pedido de patente depositado

#2.1

05/14/1985

RPI 760

Carta-patente expirada

#21.1

Patente extinta em 15/02/2000

07/15/2008

RPI 1958

22.2

09/06/1994

RPI 1240

14.1

08/24/1993

RPI 1186

Pedido de licença compulsória

#20.1

07/27/1993

RPI 1182

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