Ladder having narrow base
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 2015
Grant Date -
Mar 20, 2014
app pub date -
Aug 23, 2013
filing date -
Aug 24, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A ladder includes a stair section having a plurality of steps, a vertical upright that connects to a top of the stair section, a base that connects a bottom of the stair section and a bottom of the vertical upright, and one or more wheels connected to the bottom of the vertical upright. The ladder may also include a front locking step and a rear wheel assembly. A narrow base extends between a step of the stair section above a bottom step or locking step and the vertical upright.
First Claim
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International Classification(s)
- 2013 Application Filing Year
- E06C Class
- 83 Applications Filed
- 71 Patents Issued To-Date
- 85.55 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- E06C Class
- 13.33 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 18, 2027 |
