Lighting unit with electronically modulated beam configuration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 2023
Grant Date -
Jul 21, 2022
app pub date -
Jan 18, 2022
filing date -
Jan 19, 2021
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
Lighting unit that can be mounted to a vehicle for illuminating work or emergency areas at night. The lighting unit includes a mechanically controllable driver for selecting a position of a central optical axis of the light emitter and an electronically adjustable refractive element for modulating a beam spread configuration generated by the lighting unit.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FEDERAL SIGNAL CORPORATION | 1333 BUTTERFIELD ROAD SUITE 500 DOWNERS GROVE IL 60515 |
International Classification(s)

- 2022 Application Filing Year
- F21V Class
- 2456 Applications Filed
- 1483 Patents Issued To-Date
- 60.39 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Belitz, Duane P | Frankfort, US | 7 | 59 |
# of filed Patents : 7 Total Citations : 59 | |||
Czajkowski, Robert A | Tinley Park, US | 11 | 144 |
# of filed Patents : 11 Total Citations : 144 | |||
Hartke, Robert J | Beecher, US | 4 | 10 |
# of filed Patents : 4 Total Citations : 10 | |||
Loftus, Jeffery M | Tinley Park, US | 6 | 21 |
# of filed Patents : 6 Total Citations : 21 | |||
Skertich,, Jr Tim | Crown Point, US | 5 | 33 |
# of filed Patents : 5 Total Citations : 33 | |||
Sowers, Aaron | Tinley Park, US | 2 | 2 |
# of filed Patents : 2 Total Citations : 2 | |||
Voss, Adam | Griffith, US | 2 | 2 |
# of filed Patents : 2 Total Citations : 2 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F21V Class
- 0 % this patent is cited more than
- 2 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 25, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 25, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 25, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Mar 18, 2024 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNOR:FEDERAL SIGNAL CORPORATION;REEL/FRAME:066821/0648 Owner name: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, ILLINOIS Effective Date: Mar 18, 2024 |
Jul 25, 2023 | P | Publication | |
Jul 05, 2023 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jun 06, 2023 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
Nov 02, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: NON FINAL ACTION MAILED |
Oct 04, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
Aug 11, 2022 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BELITZ, DUANE P.;CZAJKOWSKI, ROBERT A.;HARTKE, ROBERT J.;AND OTHERS;SIGNING DATES FROM 20220120 TO 20220811;REEL/FRAME:060783/0012 Owner name: FEDERAL SIGNAL CORPORATION, ILLINOIS |
Jul 21, 2022 | P | Published | |
Jan 26, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: SENT TO CLASSIFICATION CONTRACTOR |
Jan 18, 2022 | F | Filing | |
Jan 18, 2022 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |

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