Cam action door closer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 2022
Grant Date -
Sep 9, 2021
app pub date -
Mar 5, 2021
filing date -
Mar 6, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A cam action door closer comprising a body, a spring, a speed control channel system and a latching control channel system, a closing control piston having a piston head and a circular side. The closing control piston has a cutting on the side of the closing control piston and on the piston head, the cutting forming a control edge at its end. The cutting has a length between the piston head and the control edge. The speed control channel system comprises a speed connecting channel, which is located in such a way that the control edge is arranged to close it.
First Claim
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Family
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International Classification(s)
- 2021 Application Filing Year
- E05F Class
- 555 Applications Filed
- 302 Patents Issued To-Date
- 54.42 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E05F Class
- 0 % this patent is cited more than
- 3 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 | Jan 26, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 26, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 26, 2034 |
