US2580690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio apparatus
Assignee: Lanteris Space LLC
•
Filing: 1946-05-31
•
Granted: 1952-01-01
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 John J Merklinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:49
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB190903581A
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US1457069A
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US1849651A
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US1893779A
Cited
US1849499A
Cited
FR749290A
Cited
US2057097A
Cited
US2078447A
Cited
US2193115A
Cited
US2251995A
Cited
US2282858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |