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Publication numberUSD648836 S1
Publication typeGrant
Application numberUS 29/378,943
Publication dateNov 15, 2011
Filing dateNov 11, 2010
Priority dateNov 11, 2010
Publication number29378943, 378943, US D648836 S1, US D648836S1, US-S1-D648836, USD648836 S1, USD648836S1
InventorsChristopher L. Drenth
Original AssigneeLongyear Tm, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Seal for head assembly
US D648836 S1
Abstract  available in
Images(4)
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Claims(1)
  1. The ornamental design for a seal for head assembly, as shown and described.
Description

FIG. 1 is a perspective view of a seal for head assembly showing the new design;

FIG. 2 is a front elevational view of the seal for head assembly of FIG. 1, the top plan and bottom plan views being identical thereto and the rear elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view of the seal for head assembly of FIG. 1;

FIG. 4 is a cross-sectional view of the seal for head assembly along line 5-5 as shown in FIG. 2; and,

FIG. 5 is a cross-sectional view of the seal for head assembly along line 5-5 as shown in FIG. 2.

The phantom, broken lines form no part of the claimed design.

Non-Patent Citations
Reference
1Bal Seal Engineering Company, Inc., Bal Seal Catalog, 1995, (8 pages).
2Bal Seal Engineering Company, Inc., Rotary Seal Catalog, 2001 (7 pages).
3Longyear Company, Longyear Heat-Treated CQ Wireline Drill Rods, 1991, (7 pages).
4Longyear Company, Underground Wireline Core Barrels, Jun. 1, 1989 (4 pages).
5Notice of Allowance dated Apr. 27, 2011 from U.S. Appl. No. 29/381,037, filed Dec. 14, 2010 (12 pages).
6Notice of Allowance dated Aug. 10, 2011 from U.S. Appl. No. 29/381,037, filed Dec. 14, 2010 (6 pages).
7Notice of Allowance dated Sep. 1, 2011 from U.S. Appl. No. 29/378,942, filed Nov. 11, 2010 (5 pages).
8Office Action dated May 3, 2011 from U.S. Appl. No. 29/378,942, filed Nov. 11, 2010 (9 pages).
Classifications
U.S. ClassificationD23/269