US3235702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency oven
Assignee: US Philips Corp
•
Filing: 1963-10-22
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Granted: 1966-02-15
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Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 Timmerma Franciscus Hendricus
- 👤 Helm Johan Posthuma Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:52
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/788; H01; H01Q; H01Q13/00; H05B6/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A HIGH-FREQUENCY OVEN FOR HEATING AN OBJECT BY ULTRA HIGH-FREQUENCY ENERGY INCLUDING AN ULTRAHIGH-FREQUENCY GENERATOR FOR SUPPLYING ULTRAHIGH FREQUENCY OSCILLATIONS TO A FOLDED WAVEGUIDE SYSTEM COMPRISING A PLURALITY OF WAVEGUIDE PIECES LOCATED SIDE BY SIDE AND INTERCONNECTED, EVERY TWO ADJACENT WAVEGUIDE PIECES BEING SEPARATED FROM ONE ANOTHER BY A COMMON BOUNDARY WALL, AND WHEREIN THE WAVEGUIDE SYSTEM IS PROVIDED WITH A CHANNEL FOR PASSAGE THERETHROUGH OF THE OBJECT TO THE HEATED IN A DIRECTION TRANSVERSE TO THE COMMON BOUNDARY WALLS OF THE JUXTAPOSED WAVEGUIDE PIECES, EACH OF SAID WALLS HAVING A LEAD-THROUGH APERTURE, THE IMPROVEMENT COMPRISING A PARTITION WALL IN THE FOLDED WAVEGUIDE SYSTEM OF THE HIGH-FREQUENCY OVEN WHICH DIVIDES THE WAVEGUIDE SYSTEM FOR THE ULTRAHIGH-FREQUENCY OSCILLATIONS INTO TWO SEPARATE PORTIONS, FIRST AND SECOND INCOUPLING APERTURES LOCATED ONE ON EACH SIDE OF THE PARTITION WALL, AND ENERGY-COUPLING MEANS FOR COUPLING THE ULTRAHIGH-FREQUENCY OSCILLATIONS FROM THE ULITRAHIGH-FREQUENCY GENERATOR, WITHOUT VARIATION OF THE KIND OF WAVE, TO THE TWO INCOUPLING APERTURES LOCATED ON EACH SIDE OF THE PARTITION WALL.
Claim 2
Dependent Claim
168 words
IN A HIGH-FREQUENCY OVEN FOR HEATING AN OBJECT BY ULTRA HIGH-FREQUENCY ENERGY INCLUDING AN ULTRAHIGH-FREQUENCY GENERATOR FOR SUPPLYING ULTRAHIGH FREQUENCY OSCILLATIONS TO A FOLDED WAVEGUIDE SYSTEM COMPRISING A PLURALITY OF WAVEGUIDE PIECES LOCATED SIDE BY SIDE AND INTERCONNECTED, EVERY TWO ADJACENT WAVEGUIDE PIECES BEING SEPARATED FROM ONE ANOTHER BY A COMMON BOUNDARY WALL, AND WHEREIN THE WAVEGUIDE SYSTEM IS PROVIDED WITH A CHANNEL FOR PASSAGE THERETHROUGH OF THE OBJECT TO THE HEATED IN A DIRECTION TRANSVERSE TO THE COMMON BOUNDARY WALLS OF THE JUXTAPOSED WAVEGUIDE PIECES, EACH OF SAID WALLS HAVING A LEAD-THROUGH APERTURE, THE IMPROVEMENT COMPRISING A PARTITION WALL IN THE FOLDED WAVEGUIDE SYSTEM OF THE HIGH-FREQUENCY OVEN WHICH DIVIDES THE WAVEGUIDE SYSTEM FOR THE ULTRAHIGH-FREQUENCY OSCILLATIONS INTO TWO SEPARATE PORTIONS, FIRST AND SECOND INCOUPLING APERTURES LOCATED ONE ON EACH SIDE OF THE PARTITION WALL, AND ENERGY-COUPLING MEANS FOR COUPLING THE ULTRAHIGH-FREQUENCY OSCILLATIONS FROM THE ULITRAHIGH-FREQUENCY GENERATOR, WITHOUT VARIATION OF THE KIND OF WAVE, TO THE TWO INCOUPLING APERTURES LOCATED ON EACH SIDE OF THE PARTITION WALL.
References Cited (Backward Citations)
US2560903A
Cited
GB893936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |