US3099789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage surge protection network
Assignee: Superior Electric Co
•
Filing: 1960-02-26
•
Granted: 1963-07-30
•
Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Allen R Perrins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:31
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/04; H; H02; H02H; H02H9/00; H02H9/001; H02H9/02; H02H9/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A ELECTRIC CIRCUIT HAVING A PAIR OF INPUT TERMINALS CONNECTIBLE TO A SOURCE OF ELECTRICAL ENERGY AND A LOAD ENERGIZED BY A LOAD CURRENT FROM THE SOURCE, THE IMPROVEMENT COMPRISING AN INDUCTOR AND ONE-WAY VALVE MEANS CONNECTED IN SERIES BETWEEN THE LOAD AND THE INPUT TERMINALS TO PROVIDE A PATH FOR UNIDIRECTIONAL CURRENT FLOWING IN THE INDUCTOR, SAID INDUCTOR AND MEANS FORMING A SUBSTANTIALLY RESTIVE IMPEDANCE FOR VALUES OF LOAD CUR-
Claim 2
Dependent Claim
72 words
IN A ELECTRIC CIRCUIT HAVING A PAIR OF INPUT TERMINALS CONNECTIBLE TO A SOURCE OF ELECTRICAL ENERGY AND A LOAD ENERGIZED BY A LOAD CURRENT FROM THE SOURCE, THE IMPROVEMENT COMPRISING AN INDUCTOR AND ONE-WAY VALVE MEANS CONNECTED IN SERIES BETWEEN THE LOAD AND THE INPUT TERMINALS TO PROVIDE A PATH FOR UNIDIRECTIONAL CURRENT FLOWING IN THE INDUCTOR, SAID INDUCTOR AND MEANS FORMING A SUBSTANTIALLY RESTIVE IMPEDANCE FOR VALUES OF LOAD CUR-
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |