Patent
   D366040
Priority
Apr 30 1993
Filed
Oct 25 1993
Issued
Jan 09 1996
Expiry
Jan 09 2010
Assg.orig
Entity
unknown
14
75
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 side view of the screen of the FIG. 1;

FIG. 3 is a side view opposite the side of FIG. 2 of the screen of FIG. 1;

FIG. 4 is an end view of the screen of FIG. 1;

FIG. 5 is an end view of an end opposite the end of FIG. 4 of the screen of FIG. 1;

FIG. 6 is a top view of the screen of FIG. 1;

FIG. 7 is a perspective view of a screen according to the present invention;

FIG. 8 is a top view of the screen of FIG. 7;

FIG. 9 is a side view of one side of the screen of FIG. 7;

FIG. 10 is a side view of another side of the screen of FIG. 7;

FIG. 11 is an end view of the screen of FIG. 7; and,

FIG. 12 is another end view of the screen of FIG. 7 opposite the end shown in FIG. 7.

Seyffert, Kenneth W., Leone, Sr., 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
D425531, Apr 30 1993 TURBOSCOPE I P, INC Screen
D445437, Apr 26 2000 U S BANK NATIONAL ASSOCIATION Screen panel
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
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,
29933,
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
5316676, Mar 16 1988 Coiled filter strip with upstream and downstream butt ends
583981,
777317,
964897,
D302019, Mar 08 1988 Svedala Trellex AB Screen element for screening machines
EP169698,
GB2161715A,
GB2161715B,
GB2162091,
GB2175222,
GB743902,
GB957193,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 19 1993LEONE, VINCENT D SR ENVIRONMENTAL PROCEDURES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068210562 pdf
Oct 19 1993SEYFFERT, KENNETH W ENVIRONMENTAL PROCEDURES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068210562 pdf
Oct 25 1993Environmental 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 0096780050 pdf
Mar 12 1999ENVIRONMENTAL PROCEDURES, INC TUBOSCOPE I P INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098330003 pdf
Jan 16 2001TUBOSCOPE I P, INC VARCO I P, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0141080819 pdf
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