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Official data from INPI

ELEMENTO DE FILTRO PARA A FILTRAGEM DE FLUÍDOS

Arquivada/ExtintaInvention PatentPCT · US1993000237

Application data

Number

PI9306022

Type

Invention Patent

Filing

01/12/1993

Publication

11/18/1997

PCT

US1993000237

Progress at the INPI

  1. Filing01/12/93
  2. Publication11/18/97
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/11/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

L. R. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

DE

P4206738.3 · 03/04/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente à 4ª, 5ª, 6ª, 7ª, 8ª e 9ª anuidades.

12/11/2001

RPI 1614

Notificação de entrada na fase nacional - PCT

#1.3

11/18/1997

RPI 1407

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