Patents

US 9404272 B1: Track drive apparatus for screeding concrete

Granted
2016-08-02
Filed
2016-02-19 application 15048198
Type
Utility · 16 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

An apparatus for screeding concrete to produce a level finished surface that includes a frame assembly, a boom assembly secured to the frame assembly at a first end and to a screed head at a second end, and a track drive assembly having a pair of driven tracks spaced from at least one wheel, the tracks and the wheels each rotatably secured to the rigid frame assembly.

Source: PVGPATDIS, file of 2026-04-10 (ipg160802.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Ligchine International Corporation 15 patentsUS company or organizationFloyds Knobs, INPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Peter A. LigmanClinton, WI16PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
E01CConstruction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repairE01C23/01PVGPATDIS, file of 2026-04-10
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided forB60S9/12PVGPATDIS, file of 2026-04-10
B62DMotor vehicles; trailersB62D55/02PVGPATDIS, file of 2026-04-10
E04FFinishing work on buildings, e.g. stairs, floorsE04F21/241PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2022-07-27Release of security interest
Release of security interest
COMERICA BANK signed 2022-07-11LIGCHINE INTERNATIONAL CORPORATION FLOYDS KNOBS, IN
LASER-GUIDED ACQUISITION, LLC BALA CYNWYD, PA
LASER-GUIDED HOLDINGS, LLC BALA CYNWYD, PA
60631/259ECORSEXC, file of 2026-09-25
2018-07-31Security interest Security interest
Security interest
LASER-GUIDED ACQUISITION, LLC signed 2018-07-31
LASER-GUIDED HOLDINGS, LLC signed 2018-07-31
LIGCHINE INTERNATIONAL CORPORATION signed 2018-07-31
COMERICA BANK DALLAS, TX46512/848ECORSEXC, file of 2026-09-25
2016-03-14Assignment
Assignment of assignor's interest
LIGMAN, PETER A. signed 2016-03-10LIGCHINE INTERNATIONAL CORPORATION FLOYDS KNOBS, IN37967/64ECORSEXC, file of 2026-09-25

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.