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Official data from INPI

TANQUE DE MANUSEIO DE FLUIDO

Prazo de SigiloInvention Patent

Application data

Number

PI8903861

Type

Invention Patent

Filing

08/01/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing08/01/89
  2. Publication03/20/90
  3. Examination02/25/92
  4. Allowance08/31/93
  5. Grant04/26/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Novartis AG (Novartis SA) (Novartis INC.)

CH

See this company's full portfolio

Inventors

L. D. (pessoa física)

US

P. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

227.246 · 08/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 01/08/2004

12/22/2009

RPI 2033

Transferência deferida

#25.1

Transferido por fusão de: Ciba- Geigy AG. e Sandoz AG.

03/09/1999

RPI 1470

Republicação - classificação IPC

#15.11

03/07/1995

RPI 1266

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/31/1993

RPI 1187

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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