US2696586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant current regulator
Assignee: Individual
•
Filing: 1951-09-20
•
Granted: 1954-12-07
•
Expires: 1971-09-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Neudorfer Lockyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/04; G05F1/00; G05F1/10; G05F1/12; G05F1/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |