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Official data from INPI

TORNEIRA ESFÉRICA COM MACHO ESFÉRICO METÁLICO OU CERÂMICO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8905379

Type

Invention Patent

Filing

10/23/1989

Publication

07/31/1990
View on INPI

Progress at the INPI

  1. Filing10/23/89
  2. Publication07/31/90
  3. Examination01/29/91
  4. Allowance01/12/93
  5. Grant05/25/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. H. (pessoa física)

DE

Inventors

W. H. (pessoa física)

DE

Technical data

IPC Classification

F16K 5/06

Priority claims

DE

88120584.3 EPE · 12/09/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/10/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

01/12/1993

RPI 1154

Exigência - art. 36 da LPI

#6.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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