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Official data from INPI

APARELHO DISTRIBUIDOR DE FLUXO DE LÍQUIDO

Em AnáliseInvention Patent

Application data

Number

PI8802001

Type

Invention Patent

Filing

04/26/1988

Publication

11/29/1988

Progress at the INPI

  1. Filing04/26/88
  2. Publication11/29/88
  3. Examination06/27/89
  4. Allowance02/04/97
  5. Grant09/30/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

4900 Singleton,L.P.

US

Glitsch, Inc

US

Koch (Cyprus) Limited

US

See this company's full portfolio

Inventors

A. L. (pessoa física)

US

L. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

042,759 · 04/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/27/1989

RPI 975

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

09/06/1988

RPI 933

Carta-patente expirada

#21.1

Patente extinta em 26/04/2008

08/26/2008

RPI 1964

Transferência deferida

#25.1

Transferido de: 4900 Singleton, L.P.

01/12/1999

RPI 1462

Transferência deferida

#25.1

Transferido de: Glitsch, Inc.

12/15/1998

RPI 1458

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Republicação - classificação IPC

#15.11

02/04/1997

RPI 1366

Deferimento

#9.1

02/04/1997

RPI 1366

Exigência - art. 36 da LPI

#6.1

02/06/1996

RPI 1314

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