US3105170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for charging and regulating the voltage across a capacitor
Assignee: GTE Sylvania Inc
•
Filing: 1960-08-10
•
Granted: 1963-09-24
•
Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 William F Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:53
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H02M3/3387; H02M3/3388; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
APPARATUS FOR MAINTAINING A VOLTAGE ACROSS A CAPACITOR INCLUDING A D.C. POWER SUPPLY CONNECTED TO THE CAPACITOR, A SWITCHING MEANS CONNECTED TO THE POWER SUPPLY AND HAVING A FIRST OPERATING STATE DURING WHICH SAID POWER SUPPLY IS ACTIVATED, THUS PERMITTING THE POWER SUPPLY TO CHARGE THE CAPACITOR, AND ALSO HAVING A SECOND OPERATING STATE DURING WHICH THE POWER SUPPLY IS INACTIVATED, AND TRIGGERING MEANS CONNECTED TO THE CAPACITOR AND TO THE SWITCHING MEANS FOR TRIGGERING THE SWITCHING MEANS TO SAID FIRST STATE IN RESPONSE TO A VOLTAGE ACROSS THE CAPACITOR LESS THAN A PREDETERMINED VALUE AND FOR TRIGGERING THE SWITCHING MEANS TO SAID SECOND STATE IN RESPONSE TO A VOLTAGE ACROSS THE CAPACITOR GREATER THAN A PREDETERMINED VALUE.
Claim 2
Dependent Claim
118 words
APPARATUS FOR MAINTAINING A VOLTAGE ACROSS A CAPACITOR INCLUDING A D.C. POWER SUPPLY CONNECTED TO THE CAPACITOR, A SWITCHING MEANS CONNECTED TO THE POWER SUPPLY AND HAVING A FIRST OPERATING STATE DURING WHICH SAID POWER SUPPLY IS ACTIVATED, THUS PERMITTING THE POWER SUPPLY TO CHARGE THE CAPACITOR, AND ALSO HAVING A SECOND OPERATING STATE DURING WHICH THE POWER SUPPLY IS INACTIVATED, AND TRIGGERING MEANS CONNECTED TO THE CAPACITOR AND TO THE SWITCHING MEANS FOR TRIGGERING THE SWITCHING MEANS TO SAID FIRST STATE IN RESPONSE TO A VOLTAGE ACROSS THE CAPACITOR LESS THAN A PREDETERMINED VALUE AND FOR TRIGGERING THE SWITCHING MEANS TO SAID SECOND STATE IN RESPONSE TO A VOLTAGE ACROSS THE CAPACITOR GREATER THAN A PREDETERMINED VALUE.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |