Handle retention
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2023
Grant Date -
Aug 11, 2022
app pub date -
Feb 10, 2021
filing date -
Feb 10, 2021
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 handleset includes a housing, a spindle sleeve, a handle, a coupler, and a spindle. The spindle sleeve includes an aperture, and is rotatably mounted to the housing. The handle is mounted to the spindle sleeve and includes a recess aligned with the aperture. The coupler is movably mounted in the aperture for movement between a decoupling position and a coupling position. The coupler in the coupling position is disengaged from the recess and does not prevent removal of the handle from the spindle sleeve. The coupler in the coupling position extends into the recess and prevents removal of the handle from the spindle sleeve. The spindle is movably received in the spindle sleeve and selectively retains the coupler in the coupling position.
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 | |
---|---|---|
SCHLAGE LOCK COMPANY LLC | 2720 TOBEY DRIVE INDIANAPOLIS IN 46219 |
International Classification(s)

- 2021 Application Filing Year
- E05B Class
- 921 Applications Filed
- 521 Patents Issued To-Date
- 56.57 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hurlbert, David J | Manitou Springs, US | 17 | 75 |
# of filed Patents : 17 Total Citations : 75 | |||
Litwinski, Adam M | Centennial, US | 15 | 38 |
# of filed Patents : 15 Total Citations : 38 | |||
Lunday, Drake | Colorado Springs, US | 14 | 46 |
# of filed Patents : 14 Total Citations : 46 | |||
Owens, Marshall | Colorado Springs, US | 2 | 1 |
# of filed Patents : 2 Total Citations : 1 | |||
Wiggins, Zachary | Colorado Springs, US | 3 | 1 |
# of filed Patents : 3 Total Citations : 1 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- E05B Class
- 0 % this patent is cited more than
- 2 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 5, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 5, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 5, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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