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Official data from INPI

COMBINACAO COM TRUQUE PARA UNIR E SUPORTAR DOIS VAGOES DE ESTRADA DE FERRO LIGADOS

ConcedidaInvention Patent

Application data

Number

PI8206193

Type

Invention Patent

Filing

11/02/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing11/02/81
  2. Publication09/20/83
  3. Examination01/10/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated01/03/95

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO [US]

See this company's full portfolio

Inventors

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

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

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

Pedido de licença compulsória

#20.1

05/08/1990

RPI 1017

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