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Official data from INPI

VALVULA DE DIAFRAGMA

Em AnáliseInvention Patent

Application data

Number

PI8107895

Type

Invention Patent

Filing

12/04/1981

Publication

08/30/1983

Progress at the INPI

  1. Filing12/04/81
  2. Publication08/30/83
  3. Examination01/10/84
  4. Refused04/22/86
  5. Grant
  6. In force

The application was refused on 04/22/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAUNDERS VALVE CO LTD [GB]

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

04/22/1986

RPI 809

Petição de recurso

#12.2

10/08/1985

RPI 781

Indeferimento

#9.2

06/25/1985

RPI 766

Conhecimento de parecer técnico

#7.1

08/28/1984

RPI 723

Pedido de certificado de adição de invenção

#5.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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