US2925523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave generator
Assignee: GTE Sylvania Inc
•
Filing: 1957-02-12
•
Granted: 1960-02-16
•
Expires: 1977-02-12
Abstract
No abstract record available.
Inventors
- 👤 Gerhard E Weibel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:31
CPC Classifications
H; H01; H01J; H01J25/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2122495A
Cited
US2233779A
Cited
US2158114A
Cited
US2270777A
Cited
US2414121A
Cited
US2424965A
Cited
US2745039A
Cited
US2598301A
Cited
US2680823A
Cited
US2824997A
Cited
US2808470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |