Machine to backfill pipelines with improved lifting device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 5, 2021
Grant Date -
Dec 17, 2020
app pub date -
Jun 13, 2019
filing date -
Jun 13, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Machine for the definition of a material for the burying of pipes, especially a padding machine and/or crusher, in particular adapted to cover said pipe with the corresponding material, preferably consisting of the waste material of the excavation for laying the pipes, comprising a lifting device configured to transfer the material from a collection area to a storage area, by means of a conveyor belt comprising a plurality of sections mechanically associated to towing means, for the movement thereof, in which said sections alternate in such a way that an overlying section is continuously in an overlapping relationship with the adjacent underlying section which precedes it and which follows it.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2019 Application Filing Year
- B07B Class
- 157 Applications Filed
- 118 Patents Issued To-Date
- 75.16 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B07B Class
- 0 % this patent is cited more than
- 4 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 | Jul 5, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 5, 2032 |
