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US 5,961,199 AGranted
Light pen
AssigneeDing Ares Enterprise Co., Ltd.
InventorChing-Huang Lee
Life of this patent
Estimating the term…
Abstract
A light pen comprises a barrel defining a chamber therein, a cap detachably mounted on the upper end of the barrel having a cavity defined therein, a luminous bar disposed in the cavity of the cap and received in the chamber of the barrel. The luminous bar can be reversed on the barrel to provide a warning.
Claims2
An instrument comprising:
- a writing utensil having a transparent barrel axially defining a chamber therein and having a first end and a second end, a plurality of apertures transversely defined through the barrel each connecting to the chamber;
- a bushing mounted in the barrel;
- a pocket clip mounted on the periphery of the barrel;
- a transparent cap detachably mounted on the first end of the barrel and having a cavity defined therein;
- a luminous bar securely mounted in the cavity of the cap and detachably received in the chamber of the barrel;
- and
- a clip secured in the cavity of the cap to hold the luminous bar securely in place.
4 more elements
An instrument comprising:
- a writing utensil having a transparent barrel axially defining a chamber therein and having a first end and a second end, a plurality of apertures traversely defined through the barrel each connecting to the chamber;
- a bushing mounted in the barrel;
- a pocket clip mounted on the periphery of the barrel;
- a transparent cap detachably mounted on the first end of the barrel and having a cavity defined therein, a plurality of protrusions formed in the cavity;
- and
- a luminous bar securely mounted in the cavity of the cap and retained by said plurality of protrusions, said bar being detachably received in the chamber of the barrel.
3 more elements
Dependencies are inferred from the claim text.