Patent US3377543A successfully refreshed from Google Patents.
US3377543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power converter
Assignee: Gulton Industries Inc
•
Filing: 1964-12-16
•
Granted: 1968-04-09
•
Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 Wouk Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:06
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/525
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3181053A
Cited
US3207974A
Cited
US3222587A
Cited
US3303407A
Cited
US3281644A
Cited
US3315144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |