US2962677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave guide joint
Assignee: AT&T Inc
•
Filing: 1945-10-04
•
Granted: 1960-11-29
•
Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Charles F Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:25
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/06; H01P1/062; H01P1/066; H01P1/067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2151118A
Cited
US2197123A
Cited
US2232179A
Cited
US2253503A
Cited
US2316151A
Cited
US2216170A
Cited
US2308523A
Cited
US2362209A
Cited
US2373233A
Cited
US2434925A
Cited
US2407318A
Cited
US2514544A
Cited
US2409183A
Cited
US2407069A
Cited
US2403289A
Cited
US2433011A
Cited
US2433074A
Cited
US2409599A
Cited
US2530171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |