Crane, in particular derrick crane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Aug 31, 2015
filing date -
Sep 29, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure relates to a crane having a travelable undercarriage and a superstructure which is rotatably supported thereon, to which a boom is luffably connected in an articulated manner, on the one hand, and a counterweight arrangement is telescopically supported, on the other hand. In accordance with the present disclosure, the counterweight arrangement comprises a U-shaped frame in which a likewise U-shaped counterweight frame is telescopically guided. The counterweight plates forming the counterweight are separated into two stacks which are each longitudinally displaceably guided on a side member.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| DE | U1 | DE202014007894 | Sep 29, 2014 |
| DE | B4 | DE102015008651 | Jul 03, 2015 |
| FR | B1 | FR3026399 | Aug 27, 2015 |
| CN | B | CN105460799 | Sep 25, 2015 |
International Classification(s)
- 2015 Application Filing Year
- B66C Class
- 359 Applications Filed
- 310 Patents Issued To-Date
- 86.36 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B66C Class
- 39.57 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 13, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2029 |
