US3414736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Redundant current driver
Assignee: Unisys Corp
•
Filing: 1963-11-26
•
Granted: 1968-12-03
•
Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 John D Hagee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:21
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
THE COMBINATION COMPRISING: FIRST MEANS RESPONSIVE TO AN ELECTRICAL WAVEFORM FOR CAUSING ELECTRIC CURRENT TO FLOW THROUGH A LOAD; SECOND MEANS, ELECTRICALLY CONNECTED IN PARALLEL WITH SAID FIRST MEANS AND RESPONSIVE TO SAID ELECTRICAL WAVEFORM, FOR CAUSING ELECTRIC CURRENT TO FLOW THROUGH SAID LOAD; AND
References Cited (Backward Citations)
US2841701A
Cited
US2909675A
Cited
US3072802A
Cited
US3213289A
Cited
US3235807A
Cited
US3235808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |