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Official data from INPI

APARELHO PARA DISSOLVER E DISTRIBUIR MATERIAL SOLÚVEL

Arquivada/ExtintaInvention PatentPCT · US1989003139

Application data

Number

PI8907629

Type

Invention Patent

Filing

07/24/1989

Publication

07/02/1991

PCT

US1989003139

Progress at the INPI

  1. Filing07/24/89
  2. Publication07/02/91
  3. Examination06/08/93
  4. Allowance01/23/96
  5. Grant02/25/97
  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.

Talk to a specialist

Latest action published by the INPI: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arch Chemicals Inc.

US

O. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. Z. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

238,446 · 08/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/07/2004

12/29/2009

RPI 2034

Transferência deferida

#25.1

Transferido de: Olin Corporation

11/07/2000

RPI 1557

Alteração de sede deferida

#25.7

Alterada a sede conforme solicitado na petição 006889/RJ de 28/02/00.

10/10/2000

RPI 1553

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

07/09/1996

RPI 1336

Deferimento

#9.1

01/23/1996

RPI 1312

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Notificação de entrada na fase nacional - PCT

#1.3

07/02/1991

RPI 1074

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