US3087106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surge controller for protecting a source of electrical energy
Assignee: Allis Chalmers Corp
•
Filing: 1960-07-18
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Granted: 1963-04-23
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Baude John
- 👤 Willard S Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:10
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/005; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A DUAL POLARITY SIGNAL VALVE CONNECTING A SOURCE OF CURRENT TO A LOAD, SAID VALVE COMPRISING A FULL WAVE RECTIFIER, SAID RECTIFIER COMPRISING DIODES HAVING A RELATIVELY HIGH FORWARD RESISTANCE, AND A DIODE HAVING A RELATIVELY LOW FORWARD RESISTANCE DIRECTLY CONNECTED IN SHUNTING ARRANGEMENT WITH SAID RECTIFIER, SAID LOW RESISTANCE DIODE BLOCKING AND BYPASSING SURGE PULSES FROM SAID LOAD PAST SAID RECTIFIER.
Claim 2
Dependent Claim
62 words
A DUAL POLARITY SIGNAL VALVE CONNECTING A SOURCE OF CURRENT TO A LOAD, SAID VALVE COMPRISING A FULL WAVE RECTIFIER, SAID RECTIFIER COMPRISING DIODES HAVING A RELATIVELY HIGH FORWARD RESISTANCE, AND A DIODE HAVING A RELATIVELY LOW FORWARD RESISTANCE DIRECTLY CONNECTED IN SHUNTING ARRANGEMENT WITH SAID RECTIFIER, SAID LOW RESISTANCE DIODE BLOCKING AND BYPASSING SURGE PULSES FROM SAID LOAD PAST SAID RECTIFIER.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |