U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Microwave oven employing a klyston

Patent 5541391 Issued on July 30, 1996. Estimated Expiration Date: Icon_subject May 27, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3665140

3780251

Drive arrangement for microwave oven mode stirrer
Patent #: 4296297
Issued on: 10/20/1981
Inventor: Miller

High frequency heating apparatus
Patent #: 4476362
Issued on: 10/09/1984
Inventor: Kusunoki ,   et al.

Microwave pulse compression from a storage cavity with laser-induced switching Patent #: 5148129
Issued on: 09/15/1992
Inventor: Bolton

Inventor

Application

No. 250624 filed on 05/27/1994

US Classes:

219/761, With specific generator219/757, With cooling or ventilation315/5.38, With particular collector or anode structure315/39Discharge device load with distributed parameter-type transmission line (e.g., wave-guide, coaxial cable)

Examiners

Primary: Leung, Philip H.

Attorney, Agent or Firm

International Classes

H05B 006/64
H01J 025/10

Foreign Application Priority Data

1993-05-27 KR

Abstract

A microwave oven has a cooking chamber and a microwave generator for supplying microwaves to the cooking chamber. The microwave generator is in the form of a klystron which produces a plurality of electron beams for amplifying microwaves.

Other References

  • McGraw-Hill Encyclopedia of Science & Technology, "Klystron" (vol. 9, pp. 526-530
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