US3242304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency heating apparatus
Assignee: US Philips Corp
•
Filing: 1963-07-22
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Granted: 1966-03-22
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:37
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
RADIO FREQUENCY HEATING APPARATUS COMPRISING A METALLIC ENCLOSURE, MEANS FOR RADIATING RADIO FREQUENCY ENERGY INTO THE INTERIOR OF SAID ENCLOSURE, A LOW-LOSS DIELECTRIC CONTAINER SUBSTANTIALLY TRANSPARENT TO RADIO FREQUENCY ENERGY LOCATED WITHIN SAID ENCLOSURE AT A POINT SPACED FROM SAID ENERGY RADIATING MEANS AND CONTAINING THEREIN A LOSSY SUBSTANCE TO BE HEATED, A CONDUCTIVE MEMBER COVERING SAID CONTAINER, SAID CONTAINER AND THE SUBSTANCE TO BE HEATED THEREIN BEING INTERPOSED IN THE PATH OF THE DIRECTLY RADIATED ENERGY AND BETWEEN SAID RADIO FREQUENCY RADIATING MEANS AND SAID CONDUCTIVE MEMBER SO THAT SAID DIRECTLY RADIATED ENERGY MUST FIRST PASS SAID POINT BEFORE IT REACHES SAID CONDUCTIVE MEMBER.
Claim 2
Dependent Claim
105 words
RADIO FREQUENCY HEATING APPARATUS COMPRISING A METALLIC ENCLOSURE, MEANS FOR RADIATING RADIO FREQUENCY ENERGY INTO THE INTERIOR OF SAID ENCLOSURE, A LOW-LOSS DIELECTRIC CONTAINER SUBSTANTIALLY TRANSPARENT TO RADIO FREQUENCY ENERGY LOCATED WITHIN SAID ENCLOSURE AT A POINT SPACED FROM SAID ENERGY RADIATING MEANS AND CONTAINING THEREIN A LOSSY SUBSTANCE TO BE HEATED, A CONDUCTIVE MEMBER COVERING SAID CONTAINER, SAID CONTAINER AND THE SUBSTANCE TO BE HEATED THEREIN BEING INTERPOSED IN THE PATH OF THE DIRECTLY RADIATED ENERGY AND BETWEEN SAID RADIO FREQUENCY RADIATING MEANS AND SAID CONDUCTIVE MEMBER SO THAT SAID DIRECTLY RADIATED ENERGY MUST FIRST PASS SAID POINT BEFORE IT REACHES SAID CONDUCTIVE MEMBER.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |