US2816159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic display system with phase changing non-linear output amplifier
Assignee: General Electric Co
•
Filing: 1952-01-11
•
Granted: 1957-12-10
•
Expires: 1972-01-11
Abstract
No abstract record available.
Inventors
- 👤 David C Thomas
- 👤 Hunter Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:49
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877165A
Cited
US2244239A
Cited
GB525791A
Cited
US2224794A
Cited
US2213178A
Cited
US2275017A
Cited
US2293899A
Cited
US2611819A
Cited
US2613263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |