US3098947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical systems including capacitors
Assignee: American Speedlight Corp
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Filing: 1960-05-02
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Granted: 1963-07-23
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Flieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:21
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN ELECTRICAL SYSTEM COMPRISING A SOURCE OF ELECTRICITY, A MAIN CAPACITOR, MEANS FOR CHARGING THE MAIN CAPACITOR FROM THE SOURCE, A LOAD, MEANS TO DISCHARGE THE MAIN CAPACITOR INTO THE LOAD, A CONTROL CAPACITOR, MEANS RESPONSIVE TO THE DISCHARGE OF THE CONTROL CAPACITOR FOR DISCONNECTING THE MAIN CAPACITOR FROM THE SOURCE, AND MEANS TO IMPRESS A VOLTAGE RESPONSIVE TO THE VOLTAGE ACROSS THE MAIN CAPACITOR ON THE CONTROL CAPACITOR, WHEREBY UPON THE DISCHARGE OF THE MAIN CAPACITOR INTO THE LOAD THE VOLTAGE OF THE MAIN CAPACITOR IS REDUCED AND THE VOLTAGE IS REDUCED ACROSS THE CONTROL CAPACITOR RESULTING IN A PULSE DISCHARGE THEREOF SO THAT THE MAIN CAPACITOR IS DISCONNECTED FROM THE SOURCE OF ELECTRICITY.
Claim 2
Dependent Claim
115 words
AN ELECTRICAL SYSTEM COMPRISING A SOURCE OF ELECTRICITY, A MAIN CAPACITOR, MEANS FOR CHARGING THE MAIN CAPACITOR FROM THE SOURCE, A LOAD, MEANS TO DISCHARGE THE MAIN CAPACITOR INTO THE LOAD, A CONTROL CAPACITOR, MEANS RESPONSIVE TO THE DISCHARGE OF THE CONTROL CAPACITOR FOR DISCONNECTING THE MAIN CAPACITOR FROM THE SOURCE, AND MEANS TO IMPRESS A VOLTAGE RESPONSIVE TO THE VOLTAGE ACROSS THE MAIN CAPACITOR ON THE CONTROL CAPACITOR, WHEREBY UPON THE DISCHARGE OF THE MAIN CAPACITOR INTO THE LOAD THE VOLTAGE OF THE MAIN CAPACITOR IS REDUCED AND THE VOLTAGE IS REDUCED ACROSS THE CONTROL CAPACITOR RESULTING IN A PULSE DISCHARGE THEREOF SO THAT THE MAIN CAPACITOR IS DISCONNECTED FROM THE SOURCE OF ELECTRICITY.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |