Handling: hand and hoist-line implements – Hand bars and hand barrows – Opposing jaws
Reexamination Certificate
2005-03-10
2010-12-28
Chin, Paul T (Department: 3652)
Handling: hand and hoist-line implements
Hand bars and hand barrows
Opposing jaws
C294S099200
Reexamination Certificate
active
07857368
ABSTRACT:
Rain gutter and downspout cleaning tongs. The rain gutter cleaning tongs include a pair of arms, each having a distal portion and a proximal portion that are arranged at obtuse angles relative to each other. A gripping head is located at a distal end of the distal portion of each arm. The proximal arm portions are pivotally attached to each other and are spring loaded to bias their gripping surfaces away from each other. Optionally, a guide is attached to one of the arms for guiding the two arms relative to each other during operation.
REFERENCES:
patent: 1411316 (1922-04-01), Vestal
patent: D138917 (1944-09-01), Frank
patent: 2545794 (1951-03-01), Roberts et al.
patent: D194113 (1962-11-01), Page
patent: D221348 (1971-08-01), Myer et al.
patent: D258110 (1981-02-01), Lamberth
patent: 6536819 (2003-03-01), Wang et al.
Chin Paul T
Martin Rick
Patent Law Offices of Rick Martin P.C.
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