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Publication numberUSD650052 S1
Publication typeGrant
Application numberUS 29/381,037
Publication dateDec 6, 2011
Filing dateDec 14, 2010
Priority dateNov 11, 2010
Publication number29381037, 381037, US D650052 S1, US D650052S1, US-S1-D650052, USD650052 S1, USD650052S1
InventorsChristopher L. Drenth
Original AssigneeLongyear Tm, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Seal for head assembly
US D650052 S1
Abstract  available in
Images(5)
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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 minor image thereof;

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

FIG. 4 is a right side elevational view of the seal for head assembly of FIG. 1;

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

FIG. 6 is an exploded view of the seal for head assembly of FIG. 1.

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. 29/378,943, filed Nov. 11, 2010 (11 pages).
6Notice of Allowance dated Aug. 18, 2011 from U.S. Appl. No. 29/378,943, filed Nov. 11, 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