Hammer tacker
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
May 10, 2022
Grant Date -
Jun 17, 2021
app pub date -
Dec 17, 2019
filing date -
Dec 17, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hammer tacker is provided, including a grip portion and a body portion; a magazine, including a rail, at least partially received in the housing, being movable relative to the housing between a stapling position and a staple-installing position, including an outlet disposed at a front end of the body portion; a biasing mechanism, including a push member movably mounted to the rail and a constant force spring which is rollable, the constant force spring being positionally attached to the rail through a connection portion and located at a front end of the magazine, and the constant force spring being attached to an inner face of the push member, the push member being movable to be correspondingly above or beyond the connection portion; a striking mechanism, mounted to the body portion and configured to strike at least one staple installed in the magazine.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2019 Application Filing Year
- B25C Class
- 153 Applications Filed
- 98 Patents Issued To-Date
- 64.06 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B25C 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 | Nov 10, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 10, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 10, 2033 |