Tree trimming apparatus

Woodworking – Process – Timber harvesting or processing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C144S208200, C144S024130

Reexamination Certificate

active

07422041

ABSTRACT:
“A tree trimming device that automatically climbs a tree or other vertical member and shears limbs or debris as it climbs has an anchor structure with substantially horizontal clamps, a cutting assembly with substantially horizontal clamps, vertical connecting pistons, and a cutting blade assembly.”

REFERENCES:
patent: 2612724 (1952-10-01), Llewellyn
patent: 2727335 (1955-12-01), Susil
patent: 3117401 (1964-01-01), Talley
patent: 3356113 (1967-12-01), Del Perugia
patent: 3457973 (1969-07-01), Meier
patent: 3612117 (1971-10-01), Kjell
patent: 3690351 (1972-09-01), Strickland et al.
patent: 3708000 (1973-01-01), Duffty et al.
patent: 3720246 (1973-03-01), David
patent: 3870123 (1975-03-01), Izumi
patent: 4050485 (1977-09-01), Valo
patent: 4773455 (1988-09-01), Lessard
patent: 4793439 (1988-12-01), Crawford
patent: 5056258 (1991-10-01), Quinn
patent: 5301459 (1994-04-01), Eliachar et al.
patent: 5366521 (1994-11-01), Wootton
patent: 5438793 (1995-08-01), Eliachar et al.
patent: 6474377 (2002-11-01), Van De Mortel
patent: 6672346 (2004-01-01), Heckmaier

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Tree trimming apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tree trimming apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tree trimming apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3978491

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.