Ladder with box rails having a collar
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Jul 4, 2023
Grant Date -
Jul 1, 2021
app pub date -
Feb 19, 2020
filing date -
Feb 19, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A ladder having a right box rail having an outer web with an outer opening and an inner web with an inner opening. The ladder having a left box rail in parallel and spaced relation with the right box rail. The ladder comprises a hollow collar disposed in between the inner opening of the inner web and the outer opening of the outer web. The collar having a stem having a plurality of segments. The segments separated by slots. The ladder having a first rung attached to the right and left box rails. The first rung having a right end that extends through the outer opening, the collar and the inner opening. A method for using a ladder by a user. A method for forming a ladder.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date | Type | Sub-Type |
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International Classification(s)
- 2020 Application Filing Year
- E06C Class
- 130 Applications Filed
- 72 Patents Issued To-Date
- 55.39 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E06C Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 4, 2027 |
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