US3286208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
R-f high power simulation
Assignee: Individual
•
Filing: 1964-05-12
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Granted: 1966-11-15
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Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Niebuhr
- 👤 Margaret B Eakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:25
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06; G; G01; G01N; G01N22/00; H01P1/00; H01P1/20; H01P1/207; H01P1/209
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
MICROWAVE HIGH POWER TESTING APPARATUS HAVING A "FREE-SPACE" TESTING REGION COMPRISING; IN COMBINATION, A PAIR OF AXIALLY-FACING ANTENNAS SPACED BY A DISTANCE EQUAL TO AN INTEGRAL NUMBER OF WAVELENGTHS OF THE OPERATING FREQUENCY, A WAVEGUIDE CONNECTED TO SAID PAIR OF ANTENNAS TO FORM A CLOSED ELECTRICAL LOOP HAVING AN ELECTRICAL LENGTH SUBSTANTIALLY EQUAL TO AN INTEGRAL NUMBER OF WAVELENGTHS OF THE FREQUENCY OF SAID SOURCE, A COHERENT R-F SOURCE SUPPLYING ELECROMAGNETIC WAVES TO ONE END TO SAID WAVEGUIDE, AND ENERGY ABSORBING MEANS CONNECTED TO THE OTHER END OF SAID WAVEGUIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |