Patent US4007954A successfully refreshed from Google Patents.
Patent US3123774A successfully refreshed from Google Patents.
US3123774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
davis
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:22
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SIGNAL AMPLITUDE DISCRIMINATOR COMPRISING DETECTOR MEANS FOR SENSING THE CHANGE IN POLARITY OF AN INPUT SIGNAL TO PRODUCE A FIRST AND A SECOND ENERGIZING SIGNAL CORRESPONDING TO A FIRST AND A SECOND POLARITY OF SAID INPUT SIGNAL, RESPECTIVELY, A PLURALITY OF SIGNAL MEANS, EACH OF SAID SIGNAL MEANS PRODUCING A FIRST AND A SECOND SIMULTANEOUS SIGNAL EACH BEING REPRESENTATIVE OF A MONITORED VARIABLE, A FIRST SIGNAL SELECTING MEANS, A SECOND SIGNAL SELECTING MEANS, MEANS CONNECTING EACH OF SAID FIRST SIGNALS TO SAID FIRST SELECTING MEANS AND TO SAID SECOND SELECTING MEANS, SAID FIRST AND SAID SECOND SELECTING MEANS EACH
Claim 2
Dependent Claim
100 words
A SIGNAL AMPLITUDE DISCRIMINATOR COMPRISING DETECTOR MEANS FOR SENSING THE CHANGE IN POLARITY OF AN INPUT SIGNAL TO PRODUCE A FIRST AND A SECOND ENERGIZING SIGNAL CORRESPONDING TO A FIRST AND A SECOND POLARITY OF SAID INPUT SIGNAL, RESPECTIVELY, A PLURALITY OF SIGNAL MEANS, EACH OF SAID SIGNAL MEANS PRODUCING A FIRST AND A SECOND SIMULTANEOUS SIGNAL EACH BEING REPRESENTATIVE OF A MONITORED VARIABLE, A FIRST SIGNAL SELECTING MEANS, A SECOND SIGNAL SELECTING MEANS, MEANS CONNECTING EACH OF SAID FIRST SIGNALS TO SAID FIRST SELECTING MEANS AND TO SAID SECOND SELECTING MEANS, SAID FIRST AND SAID SECOND SELECTING MEANS EACH
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |