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US2614248A
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Assignee: TELE TONE RADIO CORP
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Filing: 1948-12-07
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Granted: 1952-10-14
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Expires: 1968-12-07
Abstract
No abstract record available.
Inventors
- 👤 Warren J Ostreicher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:39
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/28; H01; H01F; H01F27/00; H01F27/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR611651A
Cited
US2062253A
Cited
US2261778A
Cited
US2318415A
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US2340731A
Cited
US2423152A
Cited
US2497747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |