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Country	kind	publication No.	Filing Date	Type	Sub-Type
US	B2	US7748443	May 08, 2008	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT AS SECOND PUBLICATION		Dual packer for a horizontal well		Jul 06, 2010
CA	C	CA2664458	Apr 28, 2009	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT (SECOND LEVEL)		DUAL PACKER FOR A HORIZONTAL WELL		Jul 10, 2012
US	B2	US8371390	Oct 13, 2011	Patent	Grant
Type : Patent Sub-Type : Grant
GRANTED PATENT AS SECOND PUBLICATION		Dual packer for a horizontal well		Feb 12, 2013

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
QUINLAN WILLIAM C	1503 GARFIELD ROAD NORTH TRAVERSE CITY MI 49686
JORDAN DEVELOPMENT COMPANY LLC	1503 GARFIELD ROAD NORTH TRAVERSE CITY MI 49686
ANDERSON STEPHEN H	P O BOX 136 REED CITY MI 49677

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• 2010 Application Filing Year
• E21B Class
• 2242 Applications Filed
• 1882 Patents Issued To-Date
• 83.95 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Quinlan, William C	Williamsburg, US	3	3
# of filed Patents : 3 Total Citations : 3

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Patent Citation Ranking

• 1 Citation Count
• E21B Class

• 2.19 % this patent is cited more than
• 14 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 18, 2011	US,8037941,B2   US8037941B2	GRANTED PATENT AS SECOND PUBLICATION
November 04, 2010	US,20100276161,A1   US20100276161A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 4323765

Vertical reversible lifter piece

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Abstract

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A vertical reversible lifter piece is disclosed for use with voting machines having one or more vertical interlock structures. The lifter piece more evenly distributes the tension and weight on pull strap structures used in the voting process. The reversible nature of the lifter piece allows it to be positioned in several orientations relative to the interlock structure.

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Description

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Claims

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Legal Events

 

• STCH2018
• LAPS1994
• FEPP1993
• AS1993
• FP1990
• MAFP1989
• MAFP1985
• I1982
• F1981
• PD1981
• AS1981

Date	Code	Event	Description
Jan 22, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 03, 1994	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Nov 02, 1993	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 29, 1993	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RANSOM F. SHOUP & CO., INC. A/K/A R.F. SHOUP CORPORATION, RANSOM F. SHOUP & COMPANY, INC. R. F. SHOUPTRONICS CORP.;REEL/FRAME:006714/0048 Owner name: VEEDER-ROOT CO., CONNECTICUT Effective Date: Sep 29, 1993
Apr 03, 1990	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Apr 03, 1990
Aug 11, 1989	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M171); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Oct 07, 1985	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, PL 96-517 (ORIGINAL EVENT CODE: M170); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Apr 06, 1982	I	Issuance
Mar 02, 1981	F	Filing
Mar 02, 1981	PD	Priority Date
Feb 04, 1981	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SHOUP RANSOM F. II;REEL/FRAME:003855/0476 Owner name: RANSOM F. SHOUP & CO., INC., P.O. BOX 380, BRYN MA Effective Date: Feb 04, 1981