IP Library Granted Patent US 521,537
Granted Patent S1
US 521,537 · App. 29/210,780 · Granted May 23, 2006

Diamond-shaped face on diamond-shaped face on blowout preventers, valves, chokes, or the like

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Quick Facts
Patent No.
US 521,537
App. No.
29/210,780
Granted
May 23, 2006
Kind
S1
Claims (1)

The ornamental design for a diamond-shaped face on diamond-shaped face on blowout preventers, valves, chokes, or the like, as shown and described.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded Mar 18, 2011
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS US ADMINISTRATIVE AGENT
To: T-3 ENERGY SERVICES, INC.
Reel/Frame 025980/0046 →
RELEASE OF SECURITY INTEREST Recorded Mar 18, 2011
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (SUCCESSOR-BY-MERGER TO WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION)
To: T-3 ENERGY SERVICES, INC.
Reel/Frame 025980/0303 →
SECURITY AGREEMENT Recorded Nov 29, 2007
From: T-3 ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS US ADMINISTRATIVE AGENT
Reel/Frame 020174/0143 →
CORRECTIVE ASSIGNMENT TO CORRECT THE PREVIOUSLY RECORDED ASSIGNMENT TO CORRECT TYPO IN FIRST NAMED INVENTOR'S NAME PREVIOUSLY RECORDED ON REEL 015671 FRAME 0796. ASSIGNOR(S) HEREBY CONFIRMS THE THE FIRST NAMED INVENTOR'S MIDDLE INITIAL SHOULD BE CHANGED FROM A J. TO AN A.. Recorded Aug 29, 2006
From: JAHNKE, DOUGLAS A.; KEMP, LEONARD D.
To: T-3 PROPERTY HOLDINGS, INC.
Reel/Frame 018184/0249 →
SECURITY INTEREST Recorded Nov 8, 2004
From: T-3 PROPERTY HOLDINGS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015962/0341 →
SECURITY AGREEMENT Recorded Nov 5, 2004
From: T-3 PROPERTY HOLDINGS, INC.
To: WELLS FARGO ENERGY CAPITAL, INC., AS AGENT
Reel/Frame 015953/0104 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 21, 2004
From: JAHNKE, DOUGLAS J.; KEMP, LEONARD D.
To: T-3 PROPERTY HOLDINGS, INC.
Reel/Frame 015671/0796 →