Infrared recycling incandescent light bulb

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10008379
SERIAL NO

15049751

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A high efficiency incandescent light bulb includes a filament both electrically and optically heated to visibly incandesce. The filament is enclosed in a visibly transmissive, IR reflective filter, with a high view factor, as to maximize recycling of IR wavelengths. The filter is formed on two clamshell segments.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MARSHALL ROBERT ANot Provided

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Marshall, Robert A Georgetown, US 44 1222

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 26, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 26, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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