Measuring tape core
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 4, 2002
Grant Date -
N/A
app pub date -
Oct 2, 2000
filing date -
Oct 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A measuring tape core has a support (23), an opening (22) defined underneath and adjacent the support (23), an I-shaped opening (24) in communication with the opening (22) and two regulators (21) each oppositely formed adjacent to the opening (22) and on top of the I-shaped opening (24), such that when the coiled spring extends out from the core, the force applied on the coiled spring will not break the coiled spring easily.
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