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Class Information
Number: 248/527
Name: Supports > Staff type > Stand or base > Having staff retaining or centering means > Plural means, vertically spaced > Including plural, staff-engaging adjusting screws
Description: Support wherein one or more of the retaining or centering means comprises a plurality of generally horizontal elements which are in threaded engagement with the device and are axially movable into or out of engagement with the staff. Where there are not more than two retaining or centering means, the screw usually constitutes the upper one of the means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6877274 |
Tree stand |
Apr. 12, 2005 |
| 6299124 |
Stackable post holder |
Oct. 9, 2001 |
| 6213452 |
Railing support post |
Apr. 10, 2001 |
| 6155529 |
Adjustable Christmas tree/plant stand |
Dec. 5, 2000 |
| 6010108 |
Angularly adjustable tree stand having spherical base surfaces |
Jan. 4, 2000 |
| 5743508 |
Tree stand with upward/extending support members forming part of a water basin |
Apr. 28, 1998 |
| 5702086 |
Portable tree holding device |
Dec. 30, 1997 |
| 5669178 |
Automatic Christmas tree waterer |
Sep. 23, 1997 |
| 5580026 |
Tree stand |
Dec. 3, 1996 |
| 5484131 |
Tree levelling stand |
Jan. 16, 1996 |
| 5425547 |
Christmas tree spotter |
Jun. 20, 1995 |
| 5393031 |
Adjustable tree stands |
Feb. 28, 1995 |
| 5320323 |
Tree stand |
Jun. 14, 1994 |
| 5299381 |
Christmas tree stand apparatus |
Apr. 5, 1994 |
| 5209450 |
Christmas tree stand |
May. 11, 1993 |
| 5121897 |
Tree stand having improved rib construction |
Jun. 16, 1992 |
| 5118067 |
Mobile Christmas tree stand with detachable liquid reservoir |
Jun. 2, 1992 |
| 5074514 |
Christmas tree holder |
Dec. 24, 1991 |
| 4913395 |
Gimball Christmas tree stand |
Apr. 3, 1990 |
| 4884363 |
Tree stand |
Dec. 5, 1989 |
| 4834335 |
Tree stand |
May. 30, 1989 |
| 4676471 |
Portable stand for a tree |
Jun. 30, 1987 |
| 4571881 |
Christmas tree stand |
Feb. 25, 1986 |
| 4541601 |
Tree stand |
Sep. 17, 1985 |
| 4496129 |
Tree stand |
Jan. 29, 1985 |
| 4436272 |
Christmas tree stand having stabilized clamping members |
Mar. 13, 1984 |
| 4429846 |
Adjustable tree stand |
Feb. 7, 1984 |
| 4286409 |
Tree stand |
Sep. 1, 1981 |
| 4034505 |
Tree stand |
Jul. 12, 1977 |
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