Patent US2908352A successfully refreshed from Google Patents.
Patent US3267331A successfully refreshed from Google Patents.
US3267331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor trigger and fault circuit
Assignee: Individual
•
Filing: 1963-05-15
•
Granted: 1966-08-16
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Melhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:43
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/021; H02H3/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN AN ELECTRICAL CIRCUIT FOR PRODUCING A CAPACITOR DISCHARGE THROUGH A LOAD COIL WHICH COMPRISES: (A) A LOAD COIL, (B) A MAIN CAPACITOR BANK DISCHARGE CIRCUIT INCLUDING SAID LOAD COIL, (C) A CROWBAR CIRCUIT CONNECTED ELECTRICALLY ACROSS SAID LOAD COIL, (D) A PULSE DELAY CIRCUIT CONNECTED WITH SAID CROWBAR CIRCUIT FOR ELECTRICALLY COMPLETING SAID CROWBAR CIRCUIT SUBSEQUENT TO COMPLETION OF AN ELECTRICAL DISCHARGE THROUGH SAID LOAD COIL, AND (E) A TRIGGER CIRCUIT FOR TRIGGERING SAID MAIN CAPACITOR DISCHARGE CIRCUIT AND SAID PULSE DELAY CIRCUIT.
Claim 2
Dependent Claim
84 words
IN AN ELECTRICAL CIRCUIT FOR PRODUCING A CAPACITOR DISCHARGE THROUGH A LOAD COIL WHICH COMPRISES: (A) A LOAD COIL, (B) A MAIN CAPACITOR BANK DISCHARGE CIRCUIT INCLUDING SAID LOAD COIL, (C) A CROWBAR CIRCUIT CONNECTED ELECTRICALLY ACROSS SAID LOAD COIL, (D) A PULSE DELAY CIRCUIT CONNECTED WITH SAID CROWBAR CIRCUIT FOR ELECTRICALLY COMPLETING SAID CROWBAR CIRCUIT SUBSEQUENT TO COMPLETION OF AN ELECTRICAL DISCHARGE THROUGH SAID LOAD COIL, AND (E) A TRIGGER CIRCUIT FOR TRIGGERING SAID MAIN CAPACITOR DISCHARGE CIRCUIT AND SAID PULSE DELAY CIRCUIT.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |