US2492346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Translator
Assignee: Federal Telecommunication Laboratories Inc
•
Filing: 1946-10-05
•
Granted: 1949-12-27
•
Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Arditi Maurice
- 👤 Irwin H Franzel
- 👤 Feinstein Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:24
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185693A
Cited
US2265216A
Cited
US2263369A
Cited
US2257795A
Cited
US2274369A
Cited
US2408077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |