(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

COMPOSICAO COMPREENDENDO MATERIAL POLIMERICO EXPANSIVEL COM GAS E AGENTE DE SOPRO DE HIDROCARBOXILATO ATIVADO,PROCESSO PARA EXPANSAO DO DITO MATERIAL POLIMERICO E MATERIAL POLIMERICO PRAPARADO PELO DITO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8101721

Type

Invention Patent

Filing

06/04/1980

Publication

01/12/1982

Progress at the INPI

  1. Filing06/04/80
  2. Publication01/12/82
  3. Examination01/31/84
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Terminated02/04/92

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL INC

See this company's full portfolio

Inventors

H. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Republicação - classificação IPC

#15.11

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Pedido de licença compulsória

#20.1

04/09/1991

RPI 1062

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.