US3550030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transient regulation of direct current electrical power supplies
Assignee: PepsiAmericas Inc
•
Filing: 1968-11-29
•
Granted: 1970-12-22
•
Expires: 1988-11-29
Abstract
No abstract record available.
Inventors
- 👤 Carl G Blanyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/14; H02M1/15; G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/563
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2630557A
Cited
US3353080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |