US3227971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for protecting a waveguide system against damage caused by arcing
Assignee: Ferranti International PLC
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Filing: 1963-06-04
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Granted: 1966-01-04
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Stewart John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:29
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/12; H01P1/00; H01P1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR PROTECTING A WEAVEGUIDE SYSTEM AGAINST DAMAGE CAUSED BY ARCING INCLUDING FOR INSERTION IN THE SYSTEM A SECTION OF RECTANGULAR WAVEGUIDE HAVING ON THE LONGITUDINAL CENTER LINE OF ONE OF THE BROADER WALLS AN APERTURE IN WHICH IS LOCATED AN ELECTRODE INSULATED FROM THAT WALL AND HAVING A SURFACE COPLANAR WITH THE INNER SURFACE OF THAT WALL, NO PART OF THE ELECTRODE EXTENDING BEYOND THE SURFACE INTO THE GUIDE SPACE, THERE BEING PROVIDED PROTECTIVE RESPONSE MEANS FOR ACTUATING WHEN THE ELECTRODE IS CONNECTED ELECTRICALLY TO ONE OF THE WALLS OF THE WAVEGUIDE SECTION BY AN ARC DISCHARGE OCCURRING WITHIN THE GUIDE.
Claim 2
Dependent Claim
102 words
APPARATUS FOR PROTECTING A WEAVEGUIDE SYSTEM AGAINST DAMAGE CAUSED BY ARCING INCLUDING FOR INSERTION IN THE SYSTEM A SECTION OF RECTANGULAR WAVEGUIDE HAVING ON THE LONGITUDINAL CENTER LINE OF ONE OF THE BROADER WALLS AN APERTURE IN WHICH IS LOCATED AN ELECTRODE INSULATED FROM THAT WALL AND HAVING A SURFACE COPLANAR WITH THE INNER SURFACE OF THAT WALL, NO PART OF THE ELECTRODE EXTENDING BEYOND THE SURFACE INTO THE GUIDE SPACE, THERE BEING PROVIDED PROTECTIVE RESPONSE MEANS FOR ACTUATING WHEN THE ELECTRODE IS CONNECTED ELECTRICALLY TO ONE OF THE WALLS OF THE WAVEGUIDE SECTION BY AN ARC DISCHARGE OCCURRING WITHIN THE GUIDE.
References Cited (Backward Citations)
US2860244A
Cited
US3191046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |