US3373334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated d.c. to d.c. power supply
Assignee: Unisys Corp
•
Filing: 1965-06-01
•
Granted: 1968-03-12
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Geisz
- 👤 Walter C Timm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/33538; H02M3/33546; H02M3/337; H02M3/3376; H02M3/3378; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/53803; H02M7/53806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2987665A
Cited
US3191115A
Cited
US3219906A
Cited
US3197691A
Cited
US3219907A
Cited
US3242414A
Cited
US3275948A
Cited
US3295043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |