US3219762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dial pulse detector
Assignee: AT&T Inc
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Filing: 1962-07-12
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Granted: 1965-11-23
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Henry H Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:50
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A PULSE DETECTOR FOR ANALYZING A SERIES OF PULSES WHERE EACH OF SAID PULSES COMPRISES A FIRST TRANSIENT FOLLOWED BY A SECOND TRANSIENT COMPRISING MEANS FOR COUNTING THE NUMBER OF SUCCESSIVE TRANSIENTS OCCURRING WITHIN A FIRST PREDETERMINED TIME INTERVAL TO DETECT IF SAID PULSES ARE BEING RECEIVED AT A RATE GREATER THAN A FIRST PREDETERMINED RATE, SAID COUNTING MEANS INCLUDING MEANS FOR COUNTING THREE SUCCESSIVE TRANSIENTS WITHIN SAID FIRST PREDETERMINED TIME INTERVAL TO DETECT IF SAID PULSES ARE BEING RECEIVED AT A RATE GREATER THAN SAID FIRST PREDETERMINED RATE, AND MEANS FOR TIMING THE INTERVAL BETWEEN SUCCESSIVE PULSES AND OPERATIVE RESPONSIVE TO THE ABSENCE OF A PULSE FOR A SECOND PREDETERMINED TIME INTERVAL TO DETECT IF SAID PULSES ARE BEING RECEIVED AT A RATE LESS THAN A SECOND PREDETERMINED RATE.
References Cited (Backward Citations)
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |