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Official data from INPI

CALOTA DOTADA DE TRAVAS DE RETENÇÃO

Em AnáliseUtility Model

Application data

Number

MU6600394

Type

Utility Model

Filing

03/24/1986

Publication

09/30/1986

Progress at the INPI

  1. Filing03/24/86
  2. Publication09/30/86
  3. Examination12/09/86
  4. Allowance09/04/90
  5. Grant02/26/91
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Autometal Indústria e Comércio Ltda

SP, BR

Autometal S/A.

See this company's full portfolio

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

10/17/1989

RPI 991

Indeferimento

#9.2

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação antecipada

#3.2

09/30/1986

RPI 832

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

20.4

03/01/1994

RPI 1213

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

10/23/1990

RPI 1038

100

09/04/1990

RPI 1031

120

04/17/1990

RPI 1014

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