US3211990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Programming system for a transformer power supply apparatus
Assignee: Glenn Pacific Corp
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Filing: 1962-08-09
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Granted: 1965-10-12
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 William W Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:12
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/14; G05F1/147; B; B23; B23K; B23K11/00; B23K11/24; B23K11/25; B23K11/251
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A VOLTAGE CONTROL SYSTEM FOR CONTROLLING THE OPERATING VOLTAGE FOR A WORK CYCLE OF OPERATION OF A POWER SUPPLY UNIT WHICH BASICALLY INVOLVES A MAIN TRANSFORMER HAVING A SECONDARY WINDING WITH A MOTOR DRIVEN CONTACT FOR CONNECTING TO SAID WINDING AT SELECTABLE VOLTAGE LEVELS THEREON TO DETERMINE THE OUTPUT OF SAID POWER SUPPLY UNIT, SAID SYSTEM COMPRISING A MOTOR BEING ADAPTED FOR FORWARD AND REVERSE ROTATION, MEANS FOR CONNECTING SAID MOTOR FOR OPERATION IN THE FORWARD DIRECTION, SAID LAST MEANS INCLUDING A TRANSFORMER WINDING, A PAIR OF LEADS CONNECTINGS SAID MOTOR TO SAID TRANSFORMER WINDING FOR FORWARD ROTATION, AND A PAIR OF NORMALLY CLOSED CONTACTS IN ONE OF SAID LEADS,
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |