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Official data from INPI

PROCESSO PARA USAR RESÍDUOS PERIGOSOS E APARELHO PARA CONVERTER RESÍDUOS PERIGOSOS.

Arquivada/ExtintaInvention PatentPCT · US1989003878

Application data

Number

PI8907653

Type

Invention Patent

Filing

09/13/1989

Publication

05/14/1991

PCT

US1989003878

Progress at the INPI

  1. Filing09/13/89
  2. Publication05/14/91
  3. Examination10/15/91
  4. Allowance11/03/92
  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.

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

J. K. (pessoa física)

US

Inventors

J. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

244.017 · 09/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/23/1993

RPI 1164

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

Notificação de entrada na fase nacional - PCT

#1.3

05/14/1991

RPI 1067

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