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Official data from INPI

DISPOSIÇÃO FIXADORA DOS ANÉIS DE BASE E DE TOPO EM BOTIJÕES DE GÁS

ConcedidaUtility Model

Application data

Number

MU6100031

Type

Utility Model

Filing

01/14/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing01/14/81
  2. Publication08/24/82
  3. Examination06/21/83
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mangels Industrial S/A

SP, BR

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Inventors

M. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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