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Official data from INPI

UNIDADE PARA CORTAR ROCHA.

PublicadaInvention Patent

Application data

Number

PI8602688

Type

Invention Patent

Filing

06/10/1986

Publication

02/02/1988

Progress at the INPI

  1. Filing06/10/86
  2. Publication02/02/88
  3. Examination10/23/90
  4. Allowance07/02/91
  5. Grant04/28/92
  6. Terminated10/03/95

The patent was granted on 04/28/1992 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: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. B. (pessoa física)

CH

Inventors

D. L. (pessoa física)

DE

P. B. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

10/29/1991

RPI 1091

Deferimento

#9.1

07/02/1991

RPI 1074

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

14.1

08/21/1990

RPI 1029

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