US2203316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency system
Assignee: Alcatel Lucent Deutschland AG
•
Filing: 1938-03-08
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Granted: 1940-06-04
•
Expires: 1958-03-08
Abstract
No abstract record available.
Inventors
- 👤 Wiessner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/44; A01F12/446; H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H04B3/10; H04L; H04L5/00; H04L5/20
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |