Seal for head assembly

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.

Claims

CLAIM The ornamental design for a seal for head assembly, as shown and described.

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Inventors:	Drenth; Christopher L. (Draper, UT)
Assignee:	Longyear TM, Inc. (South Jordan, UT)
Appl. No.:	D/378,943
Filed:	November 11, 2010

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Current U.S. Class:	D23/269
Current International Class:	2301
Field of Search:	;D23/259-269 ;D15/21,28 ;175/403,58,236,246,317,44,255,234,230,19,249,285,258,72,251,247 ;166/214,237,285,177.4,98 ;173/137

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References Cited [Referenced By]

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	2138201		Jan 1997		CA

Other References

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

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Goodman; Eric
Attorney, Agent or Firm: Workman Nydegger