Extension ladder with groove box rails and method
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Dec 10, 2024
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
Abstract
An extension ladder having a base section having a first box shaped base rail having a base side and a groove extending along the side. The extension ladder has a fly section having a first box shaped fly rail, and a follower bracket attached to the first box shaped fly rail and extending outward toward the first box shaped base rail. The groove is sized to engage the follower bracket which constrains the fly section to have limited motion relative to the base section and a left to right and front to rear directions while permitting the fly section to slide freely relative to the base section when the fly section is extended. A method for using an extension ladder. A method for producing an extension ladder.
First Claim
Other Claims data not available
Family
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
- 1 Age
Maintenance Fees
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 10, 2028 |
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