US2616032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single channel mobile telephone system
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1948-10-20
•
Granted: 1952-10-28
•
Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 Roswell H Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:01
CPC Classifications
H; H04; H04W; H04W84/00; H04W84/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2129332A
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US2064896A
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US2064958A
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US2101668A
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US2265056A
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GB570415A
Cited
US2383908A
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US2393291A
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US2469555A
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US2457434A
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US2490061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |