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Official data from INPI

ARRANJO DE ACOPLAMENTO PARA BOMBA DE DOIS ESTÁGIOS, COM PALHETAS ROTATIVAS.

IndeferidaInvention Patent

Application data

Number

PI8205701

Type

Invention Patent

Filing

09/29/1982

Publication

08/30/1983

Progress at the INPI

Under appeal
  1. Filing09/29/82
  2. Publication08/30/83
  3. Examination08/13/85
  4. Refused09/01/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/01/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH

DE

Inventors

B. E. (pessoa física)

B. (pessoa física)

F. L. (pessoa física)

F. R. (pessoa física)

P. W. (pessoa física)

S. (pessoa física)

W. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 39 232.6 · 10/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/01/1987

RPI 880

Conhecimento de parecer técnico

#7.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

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