US3337743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase-control system and standby power-supply and battery-charging means incorporatin the same
Assignee: Lorain Products Corp
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Filing: 1964-03-13
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Granted: 1967-08-22
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Paul E Rolfes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:51
CPC Classifications
H; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02J9/062; Y; Y02; Y02B; Y02B70/00; Y02B70/30; Y04; Y04S; Y04S20/00; Y04S20/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A POWER-SUPPLY SYSTEM, WHICH COMPRISES: AN A.C. VOLTAGE TRANSMISSION MEANS HAVING AN INPUT AND AN OUTPUT, A LINE SWITCH INTERPOSED IN SAID TRANSMISSION MEANS BETWEEN SAID INPUT AND SAID OUTPUT THEREOF, SAID LINE SWITCH BEING SELECTIVELY ADAPTED TO OPEN AND THEREBY PREVENT TRANSMISSION OF A.C. VOLTAGE FROM SAID INPUT TO SAID OUTPUT, A STANDBY POWER CONNECTED TO SAID TRANSMISSION MEANS ON THE OUTPUT SIDE OF SAID LINE SWITCH AND ADAPTED TO SUPPLY AN A.C. VOLTAGE WAVE TO SAID OUTPUT OF SAID TRANSMISSION MEANS DURING PERIODS WHEN SAID LINE SWITCH IS OPEN, SENSING MEANS TO SENSE THE, PHASES OF VOLTAGE WAVES IN SAID TRANSMISSION MEANS ON THE INPUT AND OUTPUT SIDES OF SAID LINE SWITCH DURING PERIODS WHEN SAID LINE SWITCH IS OPEN, SAID SENSING MEANS BEING DIRECTLY CONNECTED TO SAID LINE SWITCH WHEREBY THEREBY IS NO SUBSTANTIAL PHASE SHIFT BETWEEN SAID LINE SWITCH AND SAID SENSING MEANS,
Claim 2
Dependent Claim
147 words
A POWER-SUPPLY SYSTEM, WHICH COMPRISES: AN A.C. VOLTAGE TRANSMISSION MEANS HAVING AN INPUT AND AN OUTPUT, A LINE SWITCH INTERPOSED IN SAID TRANSMISSION MEANS BETWEEN SAID INPUT AND SAID OUTPUT THEREOF, SAID LINE SWITCH BEING SELECTIVELY ADAPTED TO OPEN AND THEREBY PREVENT TRANSMISSION OF A.C. VOLTAGE FROM SAID INPUT TO SAID OUTPUT, A STANDBY POWER CONNECTED TO SAID TRANSMISSION MEANS ON THE OUTPUT SIDE OF SAID LINE SWITCH AND ADAPTED TO SUPPLY AN A.C. VOLTAGE WAVE TO SAID OUTPUT OF SAID TRANSMISSION MEANS DURING PERIODS WHEN SAID LINE SWITCH IS OPEN, SENSING MEANS TO SENSE THE, PHASES OF VOLTAGE WAVES IN SAID TRANSMISSION MEANS ON THE INPUT AND OUTPUT SIDES OF SAID LINE SWITCH DURING PERIODS WHEN SAID LINE SWITCH IS OPEN, SAID SENSING MEANS BEING DIRECTLY CONNECTED TO SAID LINE SWITCH WHEREBY THEREBY IS NO SUBSTANTIAL PHASE SHIFT BETWEEN SAID LINE SWITCH AND SAID SENSING MEANS,
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |