Gas separation – Combined or convertible – Involving communication receiving or transmitting apparatus
Reexamination Certificate
2011-03-22
2011-03-22
Smith, Duane (Department: 1776)
Gas separation
Combined or convertible
Involving communication receiving or transmitting apparatus
C174S050000, C174S382000, C174S383000, C174S390000, C361S679480, C361S689000, C361S690000, C361S694000, C361S695000, C361S800000, C361S818000, C454S184000, C454S192000
Reexamination Certificate
active
07909902
ABSTRACT:
Described herein are various embodiments of a modified hexagonal perforated pattern and objects within which the pattern is formed. For example, according to one representative embodiment, an apparatus includes an object and a perforated pattern formed in the object. The perforated pattern includes a plurality of perforations through which matter is flowable. Each of the perforations includes a modified hexagonal shape including a hexagon having six rounded corners.
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Geometric Patterns, Diamond Manufacturing Catalog, 2004, Michigan City, IN.
Eckberg Eric A.
Gerken James D.
Holahan Maurice F.
Muenkel Gerard F.
Rico Joseph D.
International Business Machines - Corporation
Kunzler Needham Massey & Thorpe
Pham Minh-Chau
Smith Duane
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