US Patent No: 6,666,564
Number of patents in Portfolio can not be more than 2000
LED pen clip
Stats
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Dec 23, 2003
Issued date -
Sep 9, 2002
filing date -
10/237,048
serial no -
Expired
status
Importance
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Abstract
A light emitting diode (LED) pen clip is mainly assembled by an upper pen stem, a lower pen stem and a joint portion; an accommodation space inside the upper pen stem is disposed with a LED mechanism which includes a circuit board, a press key switch, a spring, one or more than one batteries and a plurality of LEDs; wherein the batteries transmit the electric power to the circuit board via the spring; the LEDs are respectively disposed on the circuit board. Pressing and switching the press key switch changes the colors of the LEDs. The present invention includes a pen clip connected to a lateral side of the pen stem. The pen clip has a plurality of holes disposed at the upper rim end for inserting the LEDs.
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First Claim
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International Classification(s)
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Cited Art Landscape
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,238,119 Photo-pen with the function of displaying a phone calling and illumination in dark | 13 | 2000 | |
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| 4,799,132 Means for mounting a mini-flashlight on a writing instrument | 13 | 1988 | |
| 4,812,068 Writing device with alarm | 10 | 1988 | |
| 5,050,053 Flashlight of selectable colors | 12 | 1990 | |
| 5,405,207 Voice pen for generating audible messages | 12 | 1993 | |
| 6,027,223 Writing instrument pocket clip light | 6 | 1999 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 23, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |