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Official data from INPI

VARREDOR MOTORIZADOR

Em AnáliseInvention Patent

Application data

Number

PI8504078

Type

Invention Patent

Filing

08/26/1985

Publication

06/17/1986

Progress at the INPI

  1. Filing08/26/85
  2. Publication06/17/86
  3. Examination10/21/86
  4. Allowance01/12/93
  5. Grant05/25/93
  6. Terminated09/19/95

The patent was granted on 05/25/1993 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tennant Company

US

See this company's full portfolio

Inventors

R. W. (pessoa física)

US

Technical data

Priority claims

US

644.615 · 08/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

10/31/1989

RPI 993

6.2

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

10/21/1986

RPI 835

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E01H 1/04; B65F 3/00; A62C 31/14; A62C 37/02.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

100

01/12/1993

RPI 1154

120

08/13/1991

RPI 1080

Petição de recurso

#12.2

11/13/1990

RPI 1041

Indeferimento

#9.2

07/31/1990

RPI 1026

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