IP Library › Granted Patent US 7,819,575
Granted Patent B2
US 7,819,575 · App. 11/838,471 · Granted Oct 26, 2010

Twinkle light bulb apparatus

Assignee: Cindex Holdings Limited
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,819,575
App. No.
11/838,471
Granted
Oct 26, 2010
Kind
B2
Abstract

A twinkle light bulb set with improved safety mechanism is provided. The twinkle light bulb set includes a plurality of twinkle light bulb apparatuses and steady burning light bulb apparatuses. Each twinkle light bulb apparatus includes a twinkle light bulb socket and a twinkle light socket holder, the twinkle light bulb socket being removably retained in and electrically coupled with the twinkle light bulb socket holder. Each steady burning light bulb apparatus includes a steady burning light bulb socket and a steady burning light socket holder, the steady burning light bulb socket being removably retained in and electrically coupled with the steady burning light bulb socket holder. The twinkle light bulb socket can be replaced by either a replacement twinkle light bulb socket or a replacement steady burning light bulb socket, and the steady burning light bulb socket can only be replaced by a replacement steady burning light bulb socket and cannot be replaced by a replacement twinkle light bulb socket.

Claims (11)

1. A twinkle light bulb set, comprising:

a plurality of twinkle light bulb apparatuses, each twinkle light bulb apparatus having a twinkle light bulb socket and a twinkle light socket holder, the twinkle light bulb socket being removably retained in and electrically coupled with the twinkle light bulb socket holder;

a plurality of steady burning light bulb apparatuses, each steady burning light bulb apparatus having a steady burning light bulb socket and a steady burning light socket holder, the steady burning light bulb socket being removably retained in and electrically coupled with the steady burning light bulb socket holder;

the plurality of twinkle light bulb apparatuses being electrically connected to the plurality of steady burning light bulb apparatuses;

the twinkle light bulb socket including twinkle light bulb socket means for being not only replaceable by a replacement twinkle light bulb socket but also replaceable by a replacement steady burning light bulb socket; and

the steady burning light bulb socket being only replaceable by a replacement steady burning light bulb socket and not being replaceable by a replacement twinkle light bulb socket.

2. The twinkle light bulb set of claim 1 , wherein the twinkle light bulb apparatus further comprises a twinkle light bulb securely retained in the twinkle light bulb socket.

3. The twinkle light bulb set of claim 2 , wherein the twinkle light bulb socket means of the twinkle light bulb socket holder comprises a keyway clearance for receiving a projected member disposed on an outside wall of the twinkle light bulb socket.

4. The twinkle light bulb set of claim 3 , wherein the projected member disposed on the outside wall of the replacement twinkle light bulb socket prevents a replacement twinkle light bulb socket from being fully inserted into, retained within, and electrically coupled to, the steady burning light bulb socket holder.

5. The twinkle light bulb set of claim 4 , wherein the projected member disposed on the outside wall of the replacement twinkle light bulb socket is a male member, and the twinkle light bulb socket holder includes a female member having the keyway clearance for receiving the male member.

6. The twinkle light bulb set of claim 4 , wherein the projected member disposed on the outside wall of the replacement twinkle light bulb socket is a male member, and the twinkle light bulb socket holder includes the keyway clearance formed between an inside wall of the twinkle light bulb socket holder and the outside wall of the twinkle light bulb socket.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 18, 2014
From: CINDEX HOLDINGS LIMITED
To: POLYGROUP ASIA PACIFIC LIMITED (BVI)
Reel/Frame 032461/0304 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 18, 2014
From: POLYGROUP ASIA PACIFIC LIMITED (BVI)
To: POLYGROUP MACAU LIMITED (BVI)
Reel/Frame 032461/0316 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 19, 2007
From: LI, ZHAOYUAN
To: CINDEX HOLDINGS LIMITED
Reel/Frame 020133/0599 →
Continuity (1)
Related Publication 20090046481A1 · Feb 19, 2009