US3193830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multifrequency dual ridge waveguide slot antenna
Assignee: Individual
•
Filing: 1963-07-25
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Granted: 1965-07-06
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Provencher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043; H01Q21/005; H01Q13/00; H01Q13/20; H01Q5/00; H01Q5/40; H01Q5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ANTENNA COMPRISING: A RECTANGULAR WAVEGUIDE; A MULTIPLICITY OF LOADING RIDGES MOUNTED ON AND EXTENDING INTERNALLY OF THE WAVEGUIDE; RADIATING SLOTS LOCATED ADJACENT TO THE LOADING RIDGES IN THE SAME WALL THAT THE LOADING RIDGES ARE MOUNTED ON FOR RADIATING ENERGY AT A FIRST FREQUENCY; AND OTHER RADIATING SLOTS LOCATED IN THE SAME WALL THAT THE LOADING RIDGES ARE MOUNTED ON THE WITHIN THE AREAS BOUNDED BY SAID LOADING RIDGES FOR RADIATING ENERGY AT ANOTHER FREQUENCY.
Claim 2
Dependent Claim
76 words
AN ANTENNA COMPRISING: A RECTANGULAR WAVEGUIDE; A MULTIPLICITY OF LOADING RIDGES MOUNTED ON AND EXTENDING INTERNALLY OF THE WAVEGUIDE; RADIATING SLOTS LOCATED ADJACENT TO THE LOADING RIDGES IN THE SAME WALL THAT THE LOADING RIDGES ARE MOUNTED ON FOR RADIATING ENERGY AT A FIRST FREQUENCY; AND OTHER RADIATING SLOTS LOCATED IN THE SAME WALL THAT THE LOADING RIDGES ARE MOUNTED ON THE WITHIN THE AREAS BOUNDED BY SAID LOADING RIDGES FOR RADIATING ENERGY AT ANOTHER FREQUENCY.
References Cited (Backward Citations)
US2807018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |