Self-leveling wheelbarrow

Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article

Reexamination Certificate

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Details

C280S047320, C298S002000

Reexamination Certificate

active

11294994

ABSTRACT:
The inventive self-leveling wheelbarrows include novel locking mechanisms for maintaining the wheelbarrow at a horizontally level position relative to the underlying terrain.

REFERENCES:
patent: 2960182 (1960-11-01), Swanson
patent: 4185623 (1980-01-01), Volkov et al.
patent: 4243122 (1981-01-01), Coutts
patent: 4456095 (1984-06-01), Hodson
patent: 4994030 (1991-02-01), Glowczewskie et al.
patent: 5531791 (1996-07-01), Wolfinbarger, Jr.
patent: 6099025 (2000-08-01), Rohrs
patent: 6159246 (2000-12-01), Mendes et al.
patent: 6613278 (2003-09-01), Mills et al.
patent: 6649072 (2003-11-01), Brandt et al.
patent: 6886838 (2005-05-01), Zimmerman
patent: 6991251 (2006-01-01), Tomchak et al.
patent: 7134676 (2006-11-01), Capers et al.
patent: 2004/0227314 (2004-11-01), Black, Jr.
patent: 2005/0012285 (2005-01-01), Davis
patent: 2005/0218614 (2005-10-01), Black
Sketches and disclosure of Applicant's earlier prototype (approximately 1990-1995) (7 pages).

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