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Official data from INPI

Sistema de transporte para misturas de combustível sólido finamente dividido com ar, e distribuidor rotativo adequado para o mesmo.

ConcedidaInvention Patent

Application data

Number

PI8106762

Type

Invention Patent

Filing

10/20/1981

Publication

05/24/1983

Progress at the INPI

  1. Filing10/20/81
  2. Publication05/24/83
  3. Examination08/13/85
  4. Allowance07/14/87
  5. Grant04/26/88
  6. Terminated02/04/92

The patent was granted on 04/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceramatec Indústria e Comércio de Máquinas Ltda

SP, BR

Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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