US2921240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel mountings for plug-in circuit breakers and circuit breakers with plug-in terminals
Assignee: Federal Pacific Electric Co
•
Filing: 1953-01-19
•
Granted: 1960-01-12
•
Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2559943A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |