Weighing devices

Weighing scales – Collapsible – foldable – knockdown

Reexamination Certificate

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Details

C177S148000, C177S225000, C073S862391

Reexamination Certificate

active

11580907

ABSTRACT:
A piece of luggage, rucksack or satchel is provided having a pair of spaced shoulder straps. At least one strap has a stress/strain unit to monitor the stress/strain in the strap as the piece is worn on the shoulder of a user. The at least one strap also has an indicator that provides a visual indication when the stress/strain of the strap has exceeded a predetermined threshold.

REFERENCES:
patent: 3082561 (1963-03-01), Convey et al.
patent: 5319162 (1994-06-01), Ness
patent: 5396035 (1995-03-01), Studanski
patent: 5416279 (1995-05-01), Tseng
patent: 5852258 (1998-12-01), Tribou
patent: 5895893 (1999-04-01), McMillian
patent: 6978671 (2005-12-01), Meggs et al.
patent: 2003/0208110 (2003-11-01), Mault et al.

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