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Class Information
Number: 135/25.1
Name: Tent, canopy, umbrella, or cane > Umbrella > Collapsible in length
Description: Umbrella in which the ribs, stretchers, or stick includes structure by which it is specifically designed to be reduced in length.


Sub-classes under this class:

Class Number Class Name Patents
135/25.4 Handle or stick 72
135/25.31 Including pivoted rib having two segments 19
135/25.3 Including three segment rib 56
135/25.2 Lazy tong 11
135/26 Sliding rib 27


Patents under this class:
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Patent Number Title Of Patent Date Issued
7588042 Folding shaft for umbrellas Sep. 15, 2009
7513266 Collapsible umbrella Apr. 7, 2009
7484517 Large portable umbrella Feb. 3, 2009
7322371 Lock mechanism of large umbrella for effecting a multi-sectional length adjustment of telescopic shank Jan. 29, 2008
7311110 Automatic close umbrella with automatic resetting feature Dec. 25, 2007
7261112 Firm automatic multi-sectional collapsible umbrella structure Aug. 28, 2007
7210491 Umbrella structure May. 1, 2007
7204261 Lower nest structure of collapsible umbrella Apr. 17, 2007
7185665 Golf bag umbrella Mar. 6, 2007
7168438 Control device for opening and closing automatic umbrella Jan. 30, 2007
7168437 Apparatus for anchoring an umbrella Jan. 30, 2007
7121289 Expandable multiuser umbrella Oct. 17, 2006
7063428 Removable lightbank extension Jun. 20, 2006
6904923 Sunshade Jun. 14, 2005
6866053 Beach umbrella having telescopic shank Mar. 15, 2005
6854474 Openable and obliquely rotatable umbrella Feb. 15, 2005
6810894 Automatic folding umbrella Nov. 2, 2004
6729340 Umbrella with switch for folding and opening umbrella automatically May. 4, 2004
6684893 Simplified controlling apparatus of an automatic umbrella Feb. 3, 2004
6446649 Apparatus for anchoring an umbrella Sep. 10, 2002
6422250 Wire connection device for folding umbrellas Jul. 23, 2002
6418949 Multiple-fold umbrella shaft having telescopic tubes outwardly decreased in concave quadrants Jul. 16, 2002
6415805 Closing mechanism used in a quadruple folding collapsible umbrella Jul. 9, 2002
6401736 Umbrella device with engaging mechanism Jun. 11, 2002
6390107 Double-story umbrella May. 21, 2002
6382222 Safety locking mechanism used on umbrella rods May. 7, 2002
6371686 Central shaft for collapsible umbrella Apr. 16, 2002
6360759 Multiple-fold automatic umbrella with penta-fold rope Mar. 26, 2002
6341613 Folding device for umbrella Jan. 29, 2002
6338353 Self-opening and foldable umbrella Jan. 15, 2002
6302124 Umbrella with telescoping tubes, tube latching means with spring urgency, and fabric cover that hides the latch when cover is closed Oct. 16, 2001
6296001 Rib assembly for multiple-fold umbrella having plastic intermediate rib interconnected among light ribs Oct. 2, 2001
6199571 Lightening multiple-fold automatic umbrella with control module Mar. 13, 2001
6192906 Automatic opening umbrella mechanisms Feb. 27, 2001
6186157 Windproof umbrella having compact folded structure Feb. 13, 2001
6176246 Multiple-fold automatic umbrella with simplified structure and shortened length Jan. 23, 2001
6095169 Automatic umbrella having rib assembly formed with light grooved rib reinforced resilient rib Aug. 1, 2000
6082383 Umbrella with actuator sleeve for manual and automatic operation Jul. 4, 2000
6035873 Multiple-fold umbrella having gradationally convex telescopic shaft Mar. 14, 2000
5992433 Multiple-fold automatic umbrella with simplified control mechanism and minimized elements Nov. 30, 1999
5947138 Golf bag umbrella Sep. 7, 1999
5931175 Umbrella rib assembly having light grooved rib reinforced with resilient rib Aug. 3, 1999
5909746 Reversible umbrella Jun. 8, 1999
5901722 Sunshade May. 11, 1999
5884645 Collapsible sunshade Mar. 23, 1999
5823215 Automatic closing and opening umbrella with fixed type of plural sections of middle rod in variable dynamic process and ratio Oct. 20, 1998
5823213 Combination purse and umbrella Oct. 20, 1998
5740822 Patio set Apr. 21, 1998
5720311 Telescopic umbrella shaft means with concave hexagonal sides Feb. 24, 1998
5706844 Pocketable folding umbrella Jan. 13, 1998

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