Adjustable base extender for a ladder
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United States of America Patent
Stats
-
Jan 30, 2018
Issued Date -
N/A
app pub date -
Apr 23, 2010
filing date -
Apr 24, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A base extending mechanism is provided for a ladder in the form of pivotable lower leg sections which can be independently rotated outwards to provide a wider ladder base. This extension of the ladder base is complementary to and supported by a compatible ladder levelling mechanism.
First Claim
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International Classification(s)
- 2010 Application Filing Year
- E06C Class
- 70 Applications Filed
- 53 Patents Issued To-Date
- 75.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- E06C Class
- 39.22 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
