Device and method for transporting trench boxes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 3, 2010
Grant Date -
Oct 9, 2008
app pub date -
Mar 5, 2008
filing date -
Apr 4, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A handling device for depositing a trench box into an open excavation includes at least one reciprocal trench box wall contact member movable along a first axis; motor means for selective movement of the wall contact member; and a coupling for attaching the contact member and the motor means to a prime mover for selectively moving the handling device along an axis generally perpendicular to the first axis. A system for depositing a trench box in an open excavation includes the handling device and a trench box having a plurality of apertures engageable with the at least one wall contact member. A method for depositing a trench box in an open excavation includes operating the handling device with the trench box having the apertures.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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J WALKER CONCEPTS LLC | 3339 N GENOA CLAY CENTER ROAD GENOA OH 43430 |
International Classification(s)

- 2008 Application Filing Year
- E21D Class
- 53 Applications Filed
- 31 Patents Issued To-Date
- 58.50 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Worley, Joseph W | Genoa, US | 1 | 4 |
# of filed Patents : 1 Total Citations : 4 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- E21D Class
- 11.11 % this patent is cited more than
- 15 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Aug 06, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Feb 14, 2017 | I | Issuance | |
Jan 25, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 17, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EBAY INC.;REEL/FRAME:036171/0403 Owner name: PAYPAL, INC., CALIFORNIA Effective Date: Jul 17, 2015 |
Jul 02, 2015 | P | Published | |
Dec 02, 2014 | F | Filing | |
Dec 02, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VOEGE, MICHAEL;NAJAFI, FARAN;SCHULTZ, EGAN;AND OTHERS;SIGNING DATES FROM 20141125 TO 20141201;REEL/FRAME:034313/0776 Owner name: EBAY INC., CALIFORNIA |
Dec 27, 2013 | PD | Priority Date |

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