Two sided manhole step

Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment

Design Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Design Patent

active

29285595

CLAIM:
I claim the ornamental design for a two sided manhole step, as shown and described.

REFERENCES:
patent: 2064803 (1936-12-01), Grove
patent: 2650032 (1953-08-01), Godfrey
patent: 3867864 (1975-02-01), Knohl
patent: 4100997 (1978-07-01), Peacock
patent: 4610330 (1986-09-01), Borst
patent: 4655318 (1987-04-01), Bowen
patent: 4778032 (1988-10-01), Takahashi
patent: 4842784 (1989-06-01), Takahashi
patent: 4869342 (1989-09-01), Borst
patent: D304376 (1989-10-01), Robertson
patent: 5507600 (1996-04-01), Takahashi
patent: 5752579 (1998-05-01), Takahashi
patent: 5772358 (1998-06-01), Takahashi
patent: 5944140 (1999-08-01), Takahashi
patent: 5967256 (1999-10-01), Takahashi
patent: 6029772 (2000-02-01), Takahashi
patent: 6068083 (2000-05-01), Takahashi
patent: D429002 (2000-08-01), Takahashi
patent: D429003 (2000-08-01), Takahashi
patent: 6125967 (2000-10-01), Takahashi
patent: D435118 (2000-12-01), Takahashi
patent: 6302618 (2001-10-01), Takahashi
patent: D452742 (2002-01-01), Takahashi
patent: D462453 (2002-09-01), Johansson
patent: 6589037 (2003-07-01), Takahashi
patent: D490907 (2004-06-01), Peacock et al.
Occupational Safety and Health Administration, 20 C.F.R. Section 1910.27(b)(1)(v).
M.A. Industries, Inc. Manhole Step Brochure, Aug. 1991, illustrating an actual size photo of M.A. Step model PS-1-PF.

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

Two sided manhole step does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-3834179

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