US2559913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overcurrent protective system for motor circuits
Assignee: Individual
•
Filing: 1947-07-07
•
Granted: 1951-07-10
•
Expires: 1967-07-07
Abstract
No abstract record available.
Inventors
- 👤 Frank T Foshee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/12; H02H3/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US934063A
Cited
US1309027A
Cited
CH34418A
Cited
US1138170A
Cited
US1134752A
Cited
US1116566A
Cited
US1660965A
Cited
US1800256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |