Patent
   D377656
Priority
Apr 30 1993
Filed
Jan 04 1996
Issued
Jan 28 1997
Expiry
Jan 28 2011
Assg.orig
Entity
unknown
18
67
n/a
The ornamental design for a screen, as shown and described.

FIG. 1 is a perspective view of a screen according to the present invention;

FIG. 2 is a top view of the screen of FIG. 1;

FIG. 3 is a bottom view of the screen of FIG. 1;

FIG. 4 is a side view of one side of the screen of FIG. 1;

FIG. 5 is a side view of another side of the screen of FIG. 1 opposite the side shown in FIG. 4;

FIG. 6 is an end view of the screen of FIG. 1; and,

FIG. 7 is another end view of the screen of FIG. 1 opposite the end shown in FIG. 6.

Seyffert, Kenneth W., Leone, Vincent D.

Patent Priority Assignee Title
6186337, Oct 30 1998 VARCO I P, INC Dual screen element having upper scalping screen adhered to crests of corrugated lower screen
6915910, Apr 16 2001 Kadant Black Clawson LLC Screen cylinder and method
D425531, Apr 30 1993 TURBOSCOPE I P, INC Screen
D445437, Apr 26 2000 U S BANK NATIONAL ASSOCIATION Screen panel
D456825, Apr 16 2001 KADANT BLACK CLAWSON INC Screen cylinder frame
D458618, Jun 19 2001 KADANT BLACK CLAWSON INC Screen cylinder frame windows
D541322, May 05 2004 Russell Finex Limited Resonator
D545855, May 05 2004 Russell Finex Limited Resonator
D591779, Oct 28 2005 Sandvik Intellectual Property AB Ceramic wear plate
D592688, Oct 28 2005 Sandvik Intellectual Property AB Ceramic wear plate
D594043, Oct 28 2005 Sandvik Intellectual Property AB Ceramic wear plate
D594044, Oct 28 2005 Sandvik Intellectual Property AB Ceramic wear plate
D594045, Oct 28 2005 Sandvik Intellectual Property AB Ceramic wear plate
D598478, Nov 23 2007 Ludowici Australia Pty Ltd Vibratory screen panel
D718796, Jul 06 2012 Georgi M., Popov Abrasive screen
D745073, Apr 26 2013 Sandvik Intellectual Property AB Screening media
D822734, Apr 26 2013 Sandvik Intellectual Property AB Screening media
D931349, Aug 25 2017 Hebei GN Solids Control Co., Ltd. Shaker screen
Patent Priority Assignee Title
1132667,
1242982,
1248081,
1344747,
1359426,
1397339,
1423021,
1561632,
1614586,
1626774,
1713143,
1716758,
1879377,
1961144,
1997713,
2061850,
2089548,
2104785,
2251909,
2274700,
2335084,
2462878,
2480320,
2511239,
2648441,
2667975,
2670079,
2677462,
2723032,
275340,
2774477,
2813629,
2902165,
2985303,
3070231,
3092573,
3176843,
3195729,
3477574,
3483912,
3489679,
3513090,
3616906,
3793692,
3833123,
3900628,
4033865, Dec 09 1974 Derrick Manufacturing Corporation Non-clogging screen apparatus
4040951, Dec 16 1975 Apparatus for retaining and readily releasing a shaker screen
4140630, Sep 16 1976 Durex Products, Inc. Sorting apparatus for fragmented materials
4350591, Oct 20 1980 Drilling mud cleaning apparatus
4380494, Apr 14 1980 W S TYLER, INCORPORATED, A CORP OF OH Vibrating screen with self-supporting screen cloth
4420391, Oct 13 1981 MI Drilling Fluids Company Screen tensioning arrangement
4457839, Oct 20 1980 United Wire Limited Vibratory screening apparatus
4546783, May 02 1983 INTERA, INC Apparatus for washing drill cuttings
4575421, Mar 08 1984 Derrick Manufacturing Corporation Non-clogging wear-reducing screen assembly for vibrating screening machine
4582597, Apr 04 1984 M-I, L L C Vibratory screen separator
4634535, Mar 25 1985 INTERA, INC A CORP OF TEXAS Drilling mud cleaning method and apparatus
4728422, Jul 21 1984 United Wire Limited Sifting frame assembly with differentially tensioned screens
4735712, Jul 25 1982 Method of producing wear layer on screen rail and screen rail having wear layer so produced
4820407, Apr 24 1987 CPI Sales, Inc.; CPI SALES, INC , A CORP OF TX Solids screens
516673,
5221008, May 11 1990 Derrick Corporation Vibratory screening machine and non-clogging wear-reducing screen assembly therefor
583981,
777317,
964897,
29933,
D302019, Mar 08 1988 Svedala Trellex AB Screen element for screening machines
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 02 1996LEONE, VINCENT D ENVIRONMENTAL PROCEDURES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078010038 pdf
Jan 02 1996SEYFFERT, KENNETH W ENVIRONMENTAL PROCEDURES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078010038 pdf
Jan 04 1996Environmental Procedures, Inc.(assignment on the face of the patent)
Dec 02 1998ENVIRONMENTAL PROCEDURES, INC TUBOSCOPE I P, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096700785 pdf
Mar 12 1999ENVIRONMENTAL PROCEDURES, INC TUBSCOPE I P INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098270994 pdf
Jan 16 2001TUBOSCOPE I P, INC VARCO I P, INC CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION0141080822 pdf
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