US3224004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiating slot ridged waveguides
Assignee: Thales SA
•
Filing: 1962-03-29
•
Granted: 1965-12-14
•
Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Barthez Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:06
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/20; H01Q13/22; H01P; H01P3/00; H01P3/12; H01P3/123; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A WAVEGUIDE PORTION COMPRISING: A FIRST AND A SECOND OPPOSITE SIDEWALL, SAID FIRST SIDEWALL HAVING ONE ROW OF RADIATING SLOTS; SAID SECOND SIDEWALL HAVING A RIDGE WHOSE HEIGHT IN FRONT OF SAID ROW IN ANY CROSS-SECTION ALONG SAID PORTION IS LESS THAN ITS MAXIMUM HEIGHT IN SAID CROSSSECTION.
Claim 2
Dependent Claim
48 words
A WAVEGUIDE PORTION COMPRISING: A FIRST AND A SECOND OPPOSITE SIDEWALL, SAID FIRST SIDEWALL HAVING ONE ROW OF RADIATING SLOTS; SAID SECOND SIDEWALL HAVING A RIDGE WHOSE HEIGHT IN FRONT OF SAID ROW IN ANY CROSS-SECTION ALONG SAID PORTION IS LESS THAN ITS MAXIMUM HEIGHT IN SAID CROSSSECTION.
References Cited (Backward Citations)
US2477510A
Cited
US2447594A
Cited
US2590511A
Cited
FR1014722A
Cited
US2840818A
Cited
US2810907A
Cited
US2933705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |