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Official data from INPI

PROCESSO E APARELHO PARA A QUEIMA DE COMBUSTÍVEIS COM BAIXO TEOR DE BTU (KCAL) E ALTO TEOR DE UMIDADE

PublicadaInvention Patent

Application data

Number

PI8900154

Type

Invention Patent

Filing

01/13/1989

Publication

09/12/1989

Progress at the INPI

  1. Filing01/13/89
  2. Publication09/12/89
  3. Examination10/16/90
  4. Allowance11/01/94
  5. Abandoned
  6. In force

The application was allowed on 11/01/1994 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

143.902 · 01/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

02/28/1989

RPI 958

Arquivamento - Art. 38 §2° da LPI

#11.4

10/17/1995

RPI 1298

Notificação para pagamento de retribuição

#13.1

03/07/1995

RPI 1266

Deferimento

#9.1

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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