US2409030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-impulse system
Assignee: General Electric Co
•
Filing: 1941-12-22
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Granted: 1946-10-08
•
Expires: 1961-12-22
Abstract
No abstract record available.
Inventors
- 👤 Victor H Fraenckel
- 👤 Hansen Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:16
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/11; G; G01; G01S; G01S7/00; G01S7/48; G01S7/481; G01S7/4811; G01S7/4813; H01; H01T; H01T1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-10-07 | 1950-04-08 | 1950-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-07 | 1954-04-08 | 1954-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-07 | 1958-04-08 | 1958-10-08 | $7700.00 | Window Closed / Lapsed |