MAPLE SYRUP PRODUCTION SPOUT ASSEMBLY WITH BACKFLOW CHECK VALVE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Sep 23, 2013
filing date -
Sep 26, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A maple syrup production spout assembly (10) with a backflow check valve (79) is disclosed. The spout assembly is designed for use with vacuum-based maple syrup productions systems (200) and is used to prevent the backflow of sap (270) into the maple tree (100) and thus prevent the drying out of the taphole (110) due to microbial contamination. Certain existing maple production spout assemblies can be retrofitted to form the backflow check valve spout assembly disclosed herein. Methods of using the spout assembly in maple syrup production are also disclosed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
UNIVERSITY OF VERMONT AND STATE AGRICULTURAL COLLEGE | BURLINGTON VT |
International Classification(s)

- 2013 Application Filing Year
- F16K Class
- 1452 Applications Filed
- 1315 Patents Issued To-Date
- 90.57 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
PERKINS, Timothy D | Richmond, US | 6 | 31 |
# of filed Patents : 6 Total Citations : 31 |
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Patent Citation Ranking
- 0 Citation Count
- F16K Class
- 0 % this patent is cited more than
- 11 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 23, 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 |
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