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Class Information
Number: 411/545
Name: Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener > Washer structure > Corrugated
Description: Subject matter wherein the element is formed with folds defining a series of alternating grooves and ridges on the opposed faces thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7284933 |
Square embossed roof and rib plate |
Oct. 23, 2007 |
| 7192232 |
Self-locking fastening device |
Mar. 20, 2007 |
| 7171876 |
Wrench combination |
Feb. 6, 2007 |
| 6665991 |
Seam plate for retaining roof decking membrane |
Dec. 23, 2003 |
| 6497543 |
Aerodynamic resistance weld pin |
Dec. 24, 2002 |
| 6361257 |
Parallel wave washer |
Mar. 26, 2002 |
| 6250034 |
Membrane plate |
Jun. 26, 2001 |
| 6224288 |
Corrugated slider washer bearing |
May. 1, 2001 |
| 6146056 |
Channel and bearing plate assembly |
Nov. 14, 2000 |
| 5984602 |
Reversible threaded fastener system |
Nov. 16, 1999 |
| 5951225 |
Large-area washer |
Sep. 14, 1999 |
| 5934855 |
Large-area washer |
Aug. 10, 1999 |
| RE35902 |
Bearing plate |
Sep. 22, 1998 |
| 5803693 |
Swiveling roofing washer |
Sep. 8, 1998 |
| 5791828 |
Plate for use in support of a mine roof |
Aug. 11, 1998 |
| 5707191 |
Stress plate with angled hole |
Jan. 13, 1998 |
| 5628587 |
Bearer plate |
May. 13, 1997 |
| 5509769 |
Barbed light weight concrete fastener and plate |
Apr. 23, 1996 |
| 5445477 |
Bearing plate with a continuous elliptical embossment |
Aug. 29, 1995 |
| 5385433 |
Bearing plate |
Jan. 31, 1995 |
| 5292209 |
Bearing plate |
Mar. 8, 1994 |
| 5125827 |
Injection molding apparatus having an insulative and resilient spacer member |
Jun. 30, 1992 |
| 5102275 |
Deck plate and assembly |
Apr. 7, 1992 |
| 4752178 |
Waved retaining ring |
Jun. 21, 1988 |
| 4708559 |
Reinforcing washer for a mine roof bolt assembly |
Nov. 24, 1987 |
| 4641472 |
Fastener for securing roofing material to cementitious roof decks having removable tab |
Feb. 10, 1987 |
| 4641471 |
Fastener for securing roofing material to cementitious roof decks |
Feb. 10, 1987 |
| 4627207 |
Fastener for securing roofing material to cementitious roof decks having removable tab |
Dec. 9, 1986 |
| 4490082 |
Fastener having an axially and radially undulating flange |
Dec. 25, 1984 |
| 4011785 |
Nail and powered nailer |
Mar. 15, 1977 |
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