Patent
   D310884
Priority
Sep 24 1987
Filed
Sep 24 1987
Issued
Sep 25 1990
Expiry
Sep 25 2004
Assg.orig
Entity
unknown
31
2
n/a
The ornamental design for a cover for tops of ladders, as shown and described.

FIG. 1 is a perspective view of a cover for tops of ladders showing my new design; the ladder is shown in broken lines for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view taken from one side thereof, the opposite side being a mirror image thereof;

FIG. 5 is a front elevational view thereof, the rear being a mirror image thereof;

FIG. 6 is a sectional view taken from the line 6--6 of FIG. 2;

FIG. 7 is a sectional view taken from the line 7--7 of FIG. 2;

FIG. 8 is a sectional view taken from the line 8--8 of FIG. 2;

FIG. 9 is a sectional view taken from the line 9--9 of FIG. 2; and

FIG. 10 is a sectional view taken from the line 10--10 of FIG. 2.

Heald, Edward E., King, Dale R., Patton, Russell S.

Patent Priority Assignee Title
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ER3391,
ER4122,
Patent Priority Assignee Title
2930442,
D300252, Nov 24 1986 EMERSON ELECTRIC CO , A MISSOURI CORP Molded step ladder top
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Sep 15 1987HEALD, EDWARD E R D WERNER CO , INC , BOX 580, GREENVILLE, PA 16125 A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0047930260 pdf
Sep 15 1987KING, DALE R R D WERNER CO , INC , BOX 580, GREENVILLE, PA 16125 A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0047930260 pdf
Sep 15 1987PATTON, RUSSELL S R D WERNER CO , INC , BOX 580, GREENVILLE, PA 16125 A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0047930260 pdf
Sep 24 1987R. D. Werner Co., Inc.(assignment on the face of the patent)
Sep 13 1988R D WERNER CO , INC WERNER HOLDING CO PA , INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0077640582 pdf
Sep 27 1988R D WERNER MANUFACTURING CO , INC R D WERNER CO , INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0077640628 pdf
Mar 01 1994R D WERNER CO , INC WERNER CO A PENNSYLVANIA BUSINESS TRUST MERGER SEE DOCUMENT FOR DETAILS 0077640607 pdf
Jan 01 1995WERNER CO A PA BUSINESS TRUST WERNER CO A PA CORPORATION MERGER SEE DOCUMENT FOR DETAILS 0079780384 pdf
Jan 01 1995WERNER CO , [A PENNSYLVANIA BUSINESS TRUST]WERNER CO [A PENNSYLVANIA CORPORATION]MERGER SEE DOCUMENT FOR DETAILS 0077640593 pdf
Dec 28 1995WERNER HOLDING COMPANY PA , INC R D WERNER MANUFACTURING COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078540942 pdf
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