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Official data from INPI

MECANISMO DE FECHAMENTO DE PORTAS DE DESCARGA PARA VAGÕES, CAMINHÕES OU EQUIPAMENTOS ESTATÍSTICOS.

ConcedidaInvention Patent

Application data

Number

PI8101912

Type

Invention Patent

Filing

03/27/1981

Publication

11/03/1982

Progress at the INPI

  1. Filing03/27/81
  2. Publication11/03/82
  3. Examination11/27/84
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Terminated08/23/94

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cobrasma S/A

SP, BR

Inventors

T. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Republicação - classificação IPC

#15.11

A classificação anterior era: E05B 65/14

08/25/2015

RPI 2329

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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