US2542823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short-wave broadcast net
Assignee: Westinghouse Electric Corp
•
Filing: 1945-10-19
•
Granted: 1951-02-20
•
Expires: 1965-10-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Lyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:51
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/145; H04B7/15; H04B7/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806052A
Cited
US1939345A
Cited
US1927394A
Cited
US1981884A
Cited
US2042302A
Cited
US2177061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |