Patent FR520721A successfully refreshed from Google Patents.
Patent US2412851A successfully refreshed from Google Patents.
US738870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric regulator.
Assignee: Stanley Electric Manufacturing Co
•
Filing: 1903-01-31
•
Granted: 1903-09-15
•
Expires: 1923-01-31
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Wright
- 👤 Harry M Acly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/02; H01F29/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1906-09-14 | 1907-03-16 | 1907-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-14 | 1911-03-16 | 1911-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-14 | 1915-03-16 | 1915-09-15 | $7700.00 | Window Closed / Lapsed |