US2350702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of radio communication
Assignee: International Standard Electric Corp
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Filing: 1941-11-08
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Granted: 1944-06-06
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Expires: 1961-11-08
Abstract
No abstract record available.
Inventors
- 👤 Ullrich Edward Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/02; H04L1/04; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/87
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) | 1947-06-06 | 1947-12-06 | 1948-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-06 | 1951-12-06 | 1952-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-06 | 1955-12-06 | 1956-06-06 | $7700.00 | Window Closed / Lapsed |