US3366769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency heating apparatus
Assignee: US Philips Corp
•
Filing: 1964-12-11
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Granted: 1968-01-30
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Gregory C Lima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/82; H; H05; H05B; H05B6/00; H05B6/64; H05B6/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
HEATING APPARATUS EMPLOYING HIGH FREQUENCY ELECTROMAGNETIC ENERGY OF A GIVEN WAVELENGTH COMPRISING A METALLIC ENCLOSURE DEFINING A CAVITY HAVING INTERNAL DIMENSIONS WHICH ARE LARGER THAN SAID GIVEN WAVELENGTH WHEREBY SAID CAVITY CAN BE EXCITED IN PLURALITY OF OSCILLATION MODE PATTERNS, SAID CAVITY BEING ADAPTED TO CONTAIN A BODY TO BE HEATED, MEANS FOR SUPPLYING SAID HIGH FREQUENCY ENERGY TO THE INTERIOR OF SAID ENCLOSURE COMPRISING A WAVE ENERGY RADIATING ELEMENT EXTENDING INTO SAID CAVITY, A HOLLOW TUBULAR WAVE ENERGY COUPLING MEMBER COMPOSED OF A CONDUCTIVE MATERIAL AND POSITIONED ENTIRELY WITHIN SAID CAVITY AT A POINT AT WHICH IT CAN COUPLE A PORTION OF THE ENERGY CONTAINED IN ONE OF SAID MODES TO A DIFFERENT ONE OF SAID MODES EXISTING IN SAID CAVITY THEREBY TO ALTER THE ENERGY DISTRIBUTION PATTERN WITHIN SAID ENCLOSURE AND MEANS FOR ROTATABLY MOUNTING SAID TUBULAR MEMBER FOR ROTATION ABOUT A GIVEN AXIS.
Claim 2
Dependent Claim
146 words
HEATING APPARATUS EMPLOYING HIGH FREQUENCY ELECTROMAGNETIC ENERGY OF A GIVEN WAVELENGTH COMPRISING A METALLIC ENCLOSURE DEFINING A CAVITY HAVING INTERNAL DIMENSIONS WHICH ARE LARGER THAN SAID GIVEN WAVELENGTH WHEREBY SAID CAVITY CAN BE EXCITED IN PLURALITY OF OSCILLATION MODE PATTERNS, SAID CAVITY BEING ADAPTED TO CONTAIN A BODY TO BE HEATED, MEANS FOR SUPPLYING SAID HIGH FREQUENCY ENERGY TO THE INTERIOR OF SAID ENCLOSURE COMPRISING A WAVE ENERGY RADIATING ELEMENT EXTENDING INTO SAID CAVITY, A HOLLOW TUBULAR WAVE ENERGY COUPLING MEMBER COMPOSED OF A CONDUCTIVE MATERIAL AND POSITIONED ENTIRELY WITHIN SAID CAVITY AT A POINT AT WHICH IT CAN COUPLE A PORTION OF THE ENERGY CONTAINED IN ONE OF SAID MODES TO A DIFFERENT ONE OF SAID MODES EXISTING IN SAID CAVITY THEREBY TO ALTER THE ENERGY DISTRIBUTION PATTERN WITHIN SAID ENCLOSURE AND MEANS FOR ROTATABLY MOUNTING SAID TUBULAR MEMBER FOR ROTATION ABOUT A GIVEN AXIS.
References Cited (Backward Citations)
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US3265850A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |