US3518527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scr power supply with inherent line regulating feature
Assignee: Basic Inc
•
Filing: 1968-05-01
•
Granted: 1970-06-30
•
Expires: 1988-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:36
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/1557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3034037A
Cited
US3246229A
Cited
US3273044A
Cited
US3305763A
Cited
US3320512A
Cited
US3418558A
Cited
US3323037A
Cited
US3353080A
Cited
US3325716A
Cited
US3351838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |