Patent US2006989A successfully refreshed from Google Patents.
US2006989A
Expired / Lapsed
US
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Transmission and reception of intelligence
Assignee: RCA Corp
•
Filing: 1930-11-19
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Granted: 1935-07-02
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Expires: 1950-11-19
Abstract
No abstract record available.
Inventors
- 👤 Samuel G Frantz
- 👤 Brunson S Mccutchen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/02
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) | 1938-07-01 | 1938-12-31 | 1939-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-01 | 1942-12-31 | 1943-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-01 | 1946-12-31 | 1947-07-02 | $7700.00 | Window Closed / Lapsed |