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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
DIGI-STAR LLC	790 WEST ROCKWELL AVENUE FORT ATKINSON WI 53538

International Classification(s)

• G01K:MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT;....
• A01K:ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; ....
• G01F:MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Horton, Christopher V	Stoughton, US	6	132
Vorpahl, Samuel R	Fort Atkinson, US	6	28

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Oct 18, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 18, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 18, 2034

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 18, 2023	US,11627724,B2   US11627724B2	GRANTED PATENT AS SECOND PUBLICATION
May 30, 2019	US,20190159431,A1   US20190159431A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11627724

Agricultural drone for use in livestock feeding

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