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Patent US2629092A successfully refreshed from Google Patents.
US2629092A
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US
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Multichannel mobile telephone system
Assignee: Automatic Electric Laboratories Inc
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Filing: 1948-12-31
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Granted: 1953-02-17
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Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Roswell H Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
H; H04; H04W; H04W84/00; H04W84/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2064958A
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US2137023A
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US2214256A
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US2265056A
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US2333039A
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GB570415A
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US2479701A
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US2457434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |