Device for generation of microwaves
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 14, 2012
Grant Date -
Feb 2, 2012
app pub date -
May 31, 2007
filing date -
Jun 1, 2006
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator (1) with an outer cylindrical tube forming a cathode (2) and connected to a transmission line (8) for feeding the cathode (2) with voltage pulses, and an inner cylindrical tube, at least partially transparent for electrons, forming an anode (3) and connected to a transmission device (8) for outputting microwave radiation generated by the formation of a virtual cathode (4) inside an area enclosed by the anode. Through the introduction of a centre conductor (5) arranged to coincide with the centre axle (19) for the cathode's (2) outer cylindrical tube and in electrical connection with the tube a device for generation of microwaves is obtained having improved energy efficiency and better broadband performance.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
SE | C2 | SE532962 | Jun 01, 2006 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT | Anordning för generering av mikrovågor | May 25, 2010 | |||
GB | B | GB2462874 | Jun 01, 2007 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION | Device for generation of microwaves | Dec 08, 2010 | |||
FR | A1 | FR2942348 | Jun 01, 2007 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
APPLICATION FOR PATENT OF INVENTION, (FIRST PUBL.) | DISPOSITIF POUR GENERER DES MICRO-ONDES | Aug 20, 2010 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BAE SYSTEMS BOFORS AB | 691 80 KARLSKOGA |
International Classification(s)

- 2007 Application Filing Year
- H01J Class
- 2391 Applications Filed
- 1245 Patents Issued To-Date
- 52.08 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Karlsson, Magnus | Karlskoga, SE | 132 | 1564 |
# of filed Patents : 132 Total Citations : 1564 | |||
Olsson, Fredrik | Örebro, SE | 36 | 164 |
# of filed Patents : 36 Total Citations : 164 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- H01J Class
- 0 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Mar 14, 2016 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Feb 14, 2016 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Feb 14, 2016 |
Feb 14, 2016 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Sep 25, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Feb 14, 2012 | I | Issuance | |
Feb 02, 2012 | P | Published | |
Jan 02, 2009 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KARLSSON, MAGNUS;OLSSON, FREDRIK;SIGNING DATES FROM 20070621 TO 20070626;REEL/FRAME:022053/0062 Owner name: BAE SYSTEMS BOFORS AB, SWEDEN |
May 31, 2007 | F | Filing | |
Jun 01, 2006 | PD | Priority Date |

Matter Detail

Renewals Detail
