US3072895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage limit comparator
Assignee: Individual
•
Filing: 1958-08-13
•
Granted: 1963-01-08
•
Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Bruce A Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A VOLTAGE LIMIT COMPARATOR INCLUDING A PAIR OF TERMINALS FOR APPLYING A VOLTAGE TO BE TESTED, A PAIR OF TERMINALS FOR APPLYING A VOLTAGE WHICH IS THE SUM OF A STANDARD VOLTAGE AND AN ALTERNATING VOLTAGE HAVING PEAK-TOPEAK EXCURSIONS COMMENSURATE WITH A PREDETERMINED TOLERANCE RANGE, A PAIR OF DIODES REVERSELY CONNECTED BETWEEN SAID PAIRS OF TERMINALS, A PAIR OF CATHODE COUPLED MULTIVIBRATORS EACH HAVING A FEEDBACK CIRCUIT INCLUDING A DIF-
Claim 2
Dependent Claim
70 words
A VOLTAGE LIMIT COMPARATOR INCLUDING A PAIR OF TERMINALS FOR APPLYING A VOLTAGE TO BE TESTED, A PAIR OF TERMINALS FOR APPLYING A VOLTAGE WHICH IS THE SUM OF A STANDARD VOLTAGE AND AN ALTERNATING VOLTAGE HAVING PEAK-TOPEAK EXCURSIONS COMMENSURATE WITH A PREDETERMINED TOLERANCE RANGE, A PAIR OF DIODES REVERSELY CONNECTED BETWEEN SAID PAIRS OF TERMINALS, A PAIR OF CATHODE COUPLED MULTIVIBRATORS EACH HAVING A FEEDBACK CIRCUIT INCLUDING A DIF-
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |