Enhanced portable battery powered electrical appliance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8648567
APP PUB NO 20110285355A1
SERIAL NO

13205662

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An appliance, such as a flashlight, accepts first and second batteries. The appliance also includes an electrical load, such as a light source. A first circuit, such as a DC to DC converter, receives power from the first battery and supplies power to the load. A second circuit, such as a DC to DC converter, receives power from the second battery and supplies electrical power to the load. In one embodiment, the appliance accepts batteries having multiple physical sizes.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ENERGIZER BRANDS, LLC

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffman, Peter F Avon, US 50 1581

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 11, 2025
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00