Patent US3363067A successfully refreshed from Google Patents.
US3363067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dial noise test set
Assignee: AT&T Inc
•
Filing: 1964-12-31
•
Granted: 1968-01-09
•
Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 John O Seaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:42
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE COMBINATION IN A DETECTION DEVICE OF: AN INPUT SIGNAL SOURCE, A FIRST DETECTOR MEANS HAVING AN OUTPUT RESPONSIVE TO THE PEAK VALUE OF A SIGNAL FROM SAID SOURCE, A SECOND DETECTOR MEANS HAVING AN OUTPUT RESPONSIVE TO THE AVERAGE VALUE OF A SIGNAL FROM SAID SOURCE, SAID SIGNAL SOURCE BEING CONNECTED IN MULTIPLE TO SAID FIRST DETECTOR MEANS INPUT AND TO SAID SECOND DETECTOR MEANS INPUT, AND MEANS MEASURING OUTPUT DIFFERENCE VARIATIONS BETWEEN SAID FIRST AND SECOND DETECTOR OUTPUTS.
Claim 2
Dependent Claim
80 words
THE COMBINATION IN A DETECTION DEVICE OF: AN INPUT SIGNAL SOURCE, A FIRST DETECTOR MEANS HAVING AN OUTPUT RESPONSIVE TO THE PEAK VALUE OF A SIGNAL FROM SAID SOURCE, A SECOND DETECTOR MEANS HAVING AN OUTPUT RESPONSIVE TO THE AVERAGE VALUE OF A SIGNAL FROM SAID SOURCE, SAID SIGNAL SOURCE BEING CONNECTED IN MULTIPLE TO SAID FIRST DETECTOR MEANS INPUT AND TO SAID SECOND DETECTOR MEANS INPUT, AND MEANS MEASURING OUTPUT DIFFERENCE VARIATIONS BETWEEN SAID FIRST AND SECOND DETECTOR OUTPUTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |