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Official data from INPI

MAQUINA DE DESLOCAMENTO POSITIVO,ROTATIVA,PRIMEIRO ROTOR E ROTOR PRINCIPAL

ConcedidaInvention Patent

Application data

Number

PI8300056

Type

Invention Patent

Filing

01/25/1982

Publication

09/20/1983

Progress at the INPI

  1. Filing01/25/82
  2. Publication09/20/83
  3. Examination12/03/85
  4. Allowance06/23/87
  5. Grant11/24/87
  6. Terminated04/18/95

The patent was granted on 11/24/1987 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INGERSOLL RAND CO [US]

Inventors

B. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

10/07/1986

RPI 833

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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