Patent US1594217A successfully refreshed from Google Patents.
US3358233A
Expired / Lapsed
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Pulse type radiotelephone system with conference capability
Assignee: Individual
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Filing: 1964-10-22
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Granted: 1967-12-12
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Reindl Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:12
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/18; H04W88/185; H04W88/187
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
RADIOTELEPHONE CONFERENCE NETWORK IN WHICH COMMUNICATION IS CARRIED ON BY MEANS OF PULSE MODULATED CARRIER WAVES, COMPRISING, A CONFERENCE LEADER''S STATION AND A PLURALITY OF CONFEREES'' STATIONS, MEANS TO TRANSMIT THE CONVERSATION OF EACH CONFEREE TO THE LEADER''S STATION ON A FIRST ADDRESS AND MEANS AT SAID LEADER''S STATION TO RETRANSMIT ALL OF THE CONFEREES'' CONVERSATIONS ON A SECOND ADDRESS AFTER A FIXED TIME DELAY TOGETHER WITH THE LEADER''S CONVERSATION, AND MEANS AT EACH STATION TO INSURE THAT THE CONVERSATION OF EACH CONFEREE ARRIVES AT THE LEADER''S STATION DURING A SMALL, FIXED TIME INTERVAL.
References Cited (Backward Citations)
US2446819A
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US2540876A
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US2471416A
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US3294914A
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US3104392A
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US3239761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |