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Official data from INPI

PROCESSO PARA A RECRAVAÇÃO DE UMA TAMPA EM UM CORPO METÁLICO PARA FORMAR UM RECIPIENTE BASICAMENTE CILÍNDRICO, APARELHAGEM PARA USO NESSE PROCESSO, E, TAMPA DE LATA.

PublicadaInvention Patent

Application data

Number

PI8605741

Type

Invention Patent

Filing

11/21/1986

Publication

06/28/1988

Progress at the INPI

  1. Filing11/21/86
  2. Publication06/28/88
  3. Examination09/04/90
  4. Allowance11/16/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rheem Empreendimentos Industriais e Comerciais S/A

RJ, BR

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Inventors

R. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Carta-patente expirada

#21.1

Patente extinta em 21/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/16/1993

RPI 1198

Exigência - art. 36 da LPI

#6.1

03/30/1993

RPI 1165

Solicitação de exame técnico

#4.1

09/04/1990

RPI 1031

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