Door latch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2023
Grant Date -
Nov 17, 2022
app pub date -
Feb 1, 2022
filing date -
Mar 23, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A latch assembly that is adjustable between first and second backset settings. A cam is rotatable about a cam axis, and facilitates linear displacement of a latch link in a first direction. A multiplier link is rotatable about a multiplier link axis that is offset from the cam axis can be rotated in the first rotational direction by engagement with the latch link. A latch bar is coupled to the multiplier link and is linearly displaced in a second direction by rotation of the multiplier link in the first direction. The latch apparatus also includes a latch bolt that is coupled to the latch bar, the latch bolt being displaced toward a retracted position by the displacement of the latch bar in the second direction. The latch assembly can also include a dead latch link can block retraction of at least the latch bolt.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2022 Application Filing Year
- E05B Class
- 841 Applications Filed
- 348 Patents Issued To-Date
- 41.38 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E05B Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 28, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 28, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2035 |
