US1265354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-rectifying apparatus.
Assignee: Individual
•
Filing: 1918-03-30
•
Granted: 1918-05-07
•
Expires: 1938-03-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Mershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/08
Claims Analysis
Total Claims: 0
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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) | 1921-05-06 | 1921-11-05 | 1922-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-05-06 | 1925-11-05 | 1926-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-05-06 | 1929-11-05 | 1930-05-07 | $7700.00 | Window Closed / Lapsed |