Patent US2774875A successfully refreshed from Google Patents.
US2774875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave generating network
Assignee: General Electric Co
•
Filing: 1954-07-27
•
Granted: 1956-12-18
•
Expires: 1974-07-27
Abstract
No abstract record available.
Inventors
- 👤 Keonjian Edward
- 👤 Jerome J Suran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823; H03B; H03B5/00; H03B5/20; H03B5/24; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; Y; Y10; Y10S; Y10S521/00; Y10S521/913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2236690A
Cited
US2541322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |