Patent US3437902A successfully refreshed from Google Patents.
US3437902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing control circuit
Assignee: Fuel Res & Instr Co
•
Filing: 1965-12-09
•
Granted: 1969-04-08
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 John E Jones Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:56
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/20; G01N25/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A CIRCUIT FOR PROVIDING ELECTRIC ENERGY TO AN ELECTRIC COMPONENT OF A SUFFICIENT VALUE TO CAUSE IGNITION OF SAID COMPONENT, A SOURCE OF ELECTRIC POWER, AT LEAST ONE CAPACITOR, CIRCUIT MEANS CONNECTING SAID CAPACITOR AND SAID SOURCE AND INCLUDING MEANS FOR CHARGING SAID CAPACITOR, CIRCUIT MEANS FOR ADJUSTING THE CHARGE ON SAID CAPACITOR, SWITCH MEANS FOR CONNECTING SAID CAPACITOR WITH SAID ELECTRIC COMPONENT, AND CIRCUIT MEANS FOR MEASURING THE AMOUNT OF ENERGY STORED IN SAID CAPACITOR PRIOR TO CONNECTION TO SAID COMPONENT AND FOR MEASURING THE AMOUNT OF ENERGY DISSIPATED IN SAID COMPONENT, PRIOR TO THE TIME IT IS BURNED.
Claim 2
Dependent Claim
101 words
IN A CIRCUIT FOR PROVIDING ELECTRIC ENERGY TO AN ELECTRIC COMPONENT OF A SUFFICIENT VALUE TO CAUSE IGNITION OF SAID COMPONENT, A SOURCE OF ELECTRIC POWER, AT LEAST ONE CAPACITOR, CIRCUIT MEANS CONNECTING SAID CAPACITOR AND SAID SOURCE AND INCLUDING MEANS FOR CHARGING SAID CAPACITOR, CIRCUIT MEANS FOR ADJUSTING THE CHARGE ON SAID CAPACITOR, SWITCH MEANS FOR CONNECTING SAID CAPACITOR WITH SAID ELECTRIC COMPONENT, AND CIRCUIT MEANS FOR MEASURING THE AMOUNT OF ENERGY STORED IN SAID CAPACITOR PRIOR TO CONNECTION TO SAID COMPONENT AND FOR MEASURING THE AMOUNT OF ENERGY DISSIPATED IN SAID COMPONENT, PRIOR TO THE TIME IT IS BURNED.
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |