Patent US2737578A successfully refreshed from Google Patents.
US2737578A
Expired / Lapsed
US
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Control terminal for mobile radio telephone systems
Assignee: Automatic Electric Laboratories Inc
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Filing: 1951-04-25
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Granted: 1956-03-06
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Expires: 1971-04-25
Abstract
No abstract record available.
Inventors
- 👤 Everhard H B Bartelink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
H; H04; H04W; H04W24/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1472987A
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US1592613A
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US2064958A
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US2171348A
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US2190546A
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US2183389A
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US2265056A
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US2383908A
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US2475675A
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US2575358A
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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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |