Patent US3101461A successfully refreshed from Google Patents.
US3101461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tight waveguide transmission window having means guarding window edges from electric stress
Assignee: TELEGRAPHIE SANS FIL Cie
•
Filing: 1959-12-22
•
Granted: 1963-08-20
•
Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Henry-Bezy Georges
- 👤 Kantorowiez Gerard
- 👤 Palluel Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:03
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
IN AN OUTPUT WAVE GUIDE FOR A HIGH POWER MICROWAVE TUBE, A WINDOW OF INSULATING VACUUM-TIGHT MATERIAL LOCATED ACROSS SAID GUIDE AND BRAZED IN A VACUUMTIGHT MANNER ALONG ITS PERIPHERY TO THE WALLS THEREOF, AND A PAIR OF METALLIC GUIDE RINGS OF ESSENTIALLY CIRCULAR CROSS-SECTION PLACED WITHIN SAID WAVE GUIDE IN ELECTRICAL CONTACT WITH THE WALLS THEREOF ON EITHER IN OF SAID WINDOW AND SUBSTANTIALLY IN CONTACT WITH THE RESPECTIVE FACES THEREOF.
References Cited (Backward Citations)
DE1036949B
Cited
US2683863A
Cited
US2831047A
Cited
GB733655A
Cited
US2843795A
Cited
US2883631A
Cited
US2971172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |