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

Patent Owner(s)

Patent Owner	Address
HUNTINGTON ALLOYS CORPORATION	3200 RIVERSIDE DRIVE HUNTINGTON WV 25705

International Classification(s)

• B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....

• 1992 Application Filing Year
• B22D Class
• 262 Applications Filed
• 90 Patents Issued To-Date
• 34.36 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mankins, William L	Huntington, WV	12	67
# of filed Patents : 12 Total Citations : 67
Saunders, Robert D	Barboursville, WV	3	44
# of filed Patents : 3 Total Citations : 44

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Patent Citation Ranking

• 0 Citation Count
• B22D Class

• 0 % this patent is cited more than
• 32 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

Full Text

US Patent No: 9736991

Reciprocating working machine

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Abstract

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A reciprocating working machine has a lower blade and an upper blade overlapping each other. The lower and upper blades have respective elongated apertures slidably fit around lower and upper eccentric cams, respectively. The lower and upper eccentric cams are arranged at a 180-degree phase from each other. One of the upper eccentric cam and the lower blade has a beveled surface facing the other. The lower blade and the upper eccentric cam are relatively moved away from each other via the beveled surface.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FEPP2025
• MAFP2020
• I2017
• STCF2017
• P2016
• F2016
• AS2016
• PD2015

Date	Code	Event	Description
Apr 14, 2025	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 23, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Aug 22, 2017	I	Issuance
Aug 02, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Dec 15, 2016	P	Published
Jun 01, 2016	F	Filing
May 26, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HANADA, KAZUYA;AMANO, HIDEYUKI;REEL/FRAME:038760/0172 Owner name: YAMABIKO CORPORATION, JAPAN Effective Date: May 26, 2016
Jun 10, 2015	PD	Priority Date