Patent US2539259A successfully refreshed from Google Patents.
US2539259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple circuit control apparatus
Assignee: Individual
•
Filing: 1947-04-29
•
Granted: 1951-01-23
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ira E Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:47
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US808957A
Cited
DE576685C
Cited
US1882614A
Cited
US1975856A
Cited
US2109953A
Cited
US2117123A
Cited
US2095579A
Cited
US2129867A
Cited
US2158288A
Cited
US2333906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |