Patent US3118018A successfully refreshed from Google Patents.
US3118018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile radio telephone integrated system
Assignee: AT&T Inc
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Filing: 1959-03-02
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Granted: 1964-01-14
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Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Warren A Cornell
- 👤 Willard D Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
H; H04; H04W; H04W84/00; H04W84/02; H04W84/04; H04W84/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A MOBILE RADIO TELEPHONE SYSTEM COMPRISING A PLURALITY OF MOBILE RADIO TELEPHONE STATIONS, A RADIO CENTRAL INCLUDING COMMON CONTROL MEANS FOR GENERATING DATA MESSAGE CODES AND MEANS FOR TRANSMITTING SAID CODES TO SAID MOBILE STATIONS; AND EACH OF SAID MOBILE STATIONS COMPRISING MEANS FOR RECEIVING SAID TRANSMITTED CODES, SWITCHBOOK MEANS AND MEANS RESPONSIVE TO A PARTICULAR ONE OF SAID MESSAGE CODES AND AN OFF-HOOK CONDITION OF SAID SWITCHHOOK MEANS FOR TRANSMITTING TO SAID RADIO CENTRAL AN ADDRESS CODE DISCRETE TO SAID MOBILE STATION, SAID ADDRESS CODE DISTINCT FROM AND NOT CORRESPONDING TO SAID PARTICULAR ONE OF SAID MESSAGE CODES.
Claim 2
Dependent Claim
99 words
A MOBILE RADIO TELEPHONE SYSTEM COMPRISING A PLURALITY OF MOBILE RADIO TELEPHONE STATIONS, A RADIO CENTRAL INCLUDING COMMON CONTROL MEANS FOR GENERATING DATA MESSAGE CODES AND MEANS FOR TRANSMITTING SAID CODES TO SAID MOBILE STATIONS; AND EACH OF SAID MOBILE STATIONS COMPRISING MEANS FOR RECEIVING SAID TRANSMITTED CODES, SWITCHBOOK MEANS AND MEANS RESPONSIVE TO A PARTICULAR ONE OF SAID MESSAGE CODES AND AN OFF-HOOK CONDITION OF SAID SWITCHHOOK MEANS FOR TRANSMITTING TO SAID RADIO CENTRAL AN ADDRESS CODE DISCRETE TO SAID MOBILE STATION, SAID ADDRESS CODE DISTINCT FROM AND NOT CORRESPONDING TO SAID PARTICULAR ONE OF SAID MESSAGE CODES.
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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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |