Field emission cathode
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Apr 8, 2003
filing date -
Feb 22, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A field emission cathode device consisting of an electrically conducting material and with a narrow, rod-shaped geometry or a knife edge, to achieve a high amplification of the electric field strength is characterized in that the electron-emitting part of the field emission cathode at least partly has preferred cylindrical host molecules and/or compounds with host compounds and/or cylindrical atomic networks, possibly with end caps with diameters measuring in the nanometer range.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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NANO-PROPRIETARY INC | 3006 LONGHORN BLVD SUITE 107 AUSTIN TX 78758-7631 |
International Classification(s)

- 2003 Application Filing Year
- H01J Class
- 2497 Applications Filed
- 893 Patents Issued To-Date
- 35.77 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Grosse-Wilde, Hubert | Neunkirchen, DE | 7 | 318 |
# of filed Patents : 7 Total Citations : 318 | |||
Keesmann, Till | Bahnhofstrasse 53 a, 69115 Heidelberg, DE | 5 | 225 |
# of filed Patents : 5 Total Citations : 225 |
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Patent Citation Ranking
- 23 Citation Count
- H01J Class
- 84.26 % this patent is cited more than
- 21 Age
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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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Sep 14, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 16, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 16, 2015 |
Aug 16, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Mar 27, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Aug 16, 2011 | I | Issuance | |
Sep 24, 2009 | P | Published | |
Jul 13, 2009 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 021287 FRAME 0273;ASSIGNORS:SCHMITT-MILAS, ANNE-MARIE;LAMBERT, JO;WESTBROEK, WENDY;AND OTHERS;REEL/FRAME:022948/0494;SIGNING DATES FROM 20080527 TO 20080610 Owner name: PIERRE FABRE DERMO-COSMETIQUE, FRANCE free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 021287 FRAME 0273. ASSIGNOR(S) HEREBY CONFIRMS THE ADDRESS OF THE ASSIGNEE SHOULD READ 45, PLACE ABEL GANCE;ASSIGNORS:SCHMITT-MILAS, ANNE-MARIE;LAMBERT, JO;WESTBROEK, WENDY;AND OTHERS;SIGNING DATES FROM 20080527 TO 20080610;REEL/FRAME:022948/0494 Owner name: PIERRE FABRE DERMO-COSMETIQUE, FRANCE |
Jul 24, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHMITT-MILAS, ANNE-MARIE;LAMBERT, JO;WESTBROEK, WENDY;AND OTHERS;REEL/FRAME:021287/0273;SIGNING DATES FROM 20080527 TO 20080610 Owner name: PIERRE FABRE DERMO-COSMETIQUE, FRANCE free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHMITT-MILAS, ANNE-MARIE;LAMBERT, JO;WESTBROEK, WENDY;AND OTHERS;SIGNING DATES FROM 20080527 TO 20080610;REEL/FRAME:021287/0273 Owner name: PIERRE FABRE DERMO-COSMETIQUE, FRANCE |
Dec 12, 2006 | F | Filing | |
Dec 12, 2005 | PD | Priority Date |

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