US3098124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiplex telephony
Assignee: Individual
•
Filing: 1958-10-13
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Granted: 1963-07-16
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Charles B Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:00
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66; H04B1/662
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A RECEIVER FOR MULTIPLEX TELEPHONE SIGNALS TRANSMITTED AS INTERLEAVED PORTIONS OF THE SIGNALS IN A PLURALITY OF CHANNELS COMPRESSED IN TIME IN PROPORTION TO THE NUMBER OF CHANNELS, COMPRISING MEANS FOR SEPARATING THE REVIVED SIGNAL PORTIONS CORRESPONDING TO THE DIFFERENT CHANNELS AND PRODUCING THEREFROM SEQUENCES OF PULSES REPRESENTING CONSECUTIVE INSTATANEOUS VOLTAGES OF THE SEPARATED SINGAAL PORTIONS, MEANS INDIVIDUAL TO EACH CHANNEL FOR DELAYING CONSECUTIVE PULSES OF EACH SEQUENCE BY PROGRESSIVELY INCREASING AMOUNTS TO EXPANDS THE SIGNAL PORTIONS TO THEIR ORIGINAL LENGTHS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |