Arrangement for preparing natural tissue for implantation
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Sep 21, 1982
Grant Date -
N/A
app pub date -
Jul 7, 1978
filing date -
Jul 22, 1974
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An arrangement for preparing natural tissue in the form of a heart valve, vessel or the like for implantation in which tanning fluid under pressure is applied to a portion of the tissue so as to cause said tissue to assume substantially its natural configuration, while additional tanning fluid is applied to the remainder of the tissue, said tanning fluid being so applied for a time sufficient to cause the tissue to become fixed, and, for vessels or the like, a guide may engage the tissue during fixation, whereby said tissue maintains substantially the configuration of the guide.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MEDTRONIC, INC.
International Classification(s)

- 1978 Application Filing Year
- C14C Class
- 14 Applications Filed
- 1 Patents Issued To-Date
- 7.15 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Hancock, Warren D | Newport Beach, CA | 5 | 579 |
# of filed Patents : 5 Total Citations : 579 | |||
Sattler, Frederick P | Fullerton, CA | 1 | 5 |
# of filed Patents : 1 Total Citations : 5 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- C14C Class
- 0 % this patent is cited more than
- 43 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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

Legal Events
Date | Code | Event | Description |
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Dec 14, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Nov 15, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Nov 15, 2015 |
Nov 15, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Jun 26, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Nov 15, 2011 | I | Issuance | |
Feb 24, 2011 | P | Published | |
Oct 30, 2009 | AS | ASSIGNMENT | free format text: RECORD TO CORRECT ASSIGNEE NAME AND ADDRESS ON AN ASSIGNMENT DOCUMENT PREVIOUSLY RECORDED ON OCTOBER 22, 2009, REEL 023412/FRAME 0567;ASSIGNORS:SASAKI, YOSHITAKA;ISHIZAKI, KAZUO;ARAKI, HIRONORI;AND OTHERS;SIGNING DATES FROM 20090928 TO 20091005;REEL/FRAME:023453/0638 Owner name: SAE MAGNETICS (H.K.) LTD., CHINA free format text: RECORD TO CORRECT ASSIGNEE NAME AND ADDRESS ON AN ASSIGNMENT DOCUMENT PREVIOUSLY RECORDED ON OCTOBER 22, 2009, REEL 023412/FRAME 0567;ASSIGNORS:SASAKI, YOSHITAKA;ISHIZAKI, KAZUO;ARAKI, HIRONORI;AND OTHERS;SIGNING DATES FROM 20090928 TO 20091005;REEL/FRAME:023453/0638 Owner name: HEADWAY TECHNOLOGIES, INC., CALIFORNIA |
Oct 22, 2009 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, YOSHITAKA;ISHIZAKI, KAZUO;ARAKI, HIRONORI;AND OTHERS;SIGNING DATES FROM 20090928 TO 20091005;REEL/FRAME:023412/0567 Owner name: SAE MAGNETICS (H.K.) LTD., CHINA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, YOSHITAKA;ISHIZAKI, KAZUO;ARAKI, HIRONORI;AND OTHERS;SIGNING DATES FROM 20090928 TO 20091005;REEL/FRAME:023412/0567 Owner name: HEADWAY TECHNOLOGIES, CALIFORNIA |
Aug 19, 2009 | F | Filing | |
Aug 19, 2009 | PD | Priority Date |

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