US2816260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated d. c. power supply
Assignee: Individual
•
Filing: 1956-07-31
•
Granted: 1957-12-10
•
Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Donald G Scorgie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:00
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2100715A
Cited
US2403891A
Cited
US2525451A
Cited
US2753510A
Cited
US2770770A
Cited
US2721303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |