Stair assembly with rise adjustable step support brackets
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 10, 2021
Grant Date -
Apr 9, 2020
app pub date -
Oct 7, 2019
filing date -
Oct 8, 2018
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A stair stringer includes a pair of joists each including an upper wall, a first lateral wall extending from the upper wall, and a second lateral wall extending from the upper wall. At least one stair step support bracket includes a tray support wall, a first side wall extending from the tray support wall, a second side wall extending from the tray support wall, and a front wall extending between the first side wall and the second side wall. The at least one stair step support bracket is configured to set on the upper wall of one of the pair of joists and the first side wall extending downward beyond the upper wall of the one joist in position to receive a first fastener through the first side wall and into the first lateral wall of the one joist, and the second side wall extending downward beyond the upper wall of the one joist in position to receive a second fastener through the second side wall and into the second lateral wall of the one joist, wherein the tray support wall is level.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FORTRESS IRON LP | 1720 N 1ST STREET GARLAND TX 75040 |
International Classification(s)

- 2019 Application Filing Year
- E04F Class
- 757 Applications Filed
- 506 Patents Issued To-Date
- 66.85 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Burt, Kevin T | Dallas, US | 71 | 802 |
# of filed Patents : 71 Total Citations : 802 | |||
Flatt, Kevin B | Garland, US | 13 | 23 |
# of filed Patents : 13 Total Citations : 23 | |||
Holthaus, Robert | Garland, US | 2 | 7 |
# of filed Patents : 2 Total Citations : 7 | |||
Jesiolowski, Aaron | Garland, US | 9 | 18 |
# of filed Patents : 9 Total Citations : 18 | |||
Luczycki, Geoff T | Garland, US | 19 | 35 |
# of filed Patents : 19 Total Citations : 35 | |||
Sherstad, Matthew Carlyle | Dallas, US | 39 | 143 |
# of filed Patents : 39 Total Citations : 143 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- E04F Class
- 58.16 % this patent is cited more than
- 4 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Feb 10, 2025 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 10, 2029 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 10, 2033 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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