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Official data from INPI

APARELHO PARA BOMBEAR POLPA

PublicadaInvention Patent

Application data

Number

PI8705261

Type

Invention Patent

Filing

10/05/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/05/87
  2. Publication05/24/88
  3. Examination10/30/90
  4. Allowance10/22/91
  5. Grant09/29/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Beloit Technologies, Inc

US

Ingersoll - Rand Company

US

See this company's full portfolio

Inventors

D. J. (pessoa física)

US

O. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

915.175 · 10/06/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 05/10/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

11/18/1997

RPI 1407

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

03/03/1992

RPI 1109

Deferimento

#9.1

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

05/28/1991

RPI 1069

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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