US2618694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote radio receiver tuning indicating apparatus
Assignee: TNC US Holdings Inc
•
Filing: 1948-08-19
•
Granted: 1952-11-18
•
Expires: 1968-08-19
Abstract
No abstract record available.
Inventors
- 👤 James G Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/35; H04H60/38; H04H60/41; H04H60/44; H04H60/29; H04H60/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB189911881A
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US2488207A
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US2439201A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |