US2963614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical protective device
Assignee: McGraw Edison Co
•
Filing: 1957-12-23
•
Granted: 1960-12-06
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Richard E Riebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:32
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US969336A
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US1007770A
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US1288460A
Cited
US1361710A
Cited
US1513561A
Cited
US1434310A
Cited
US1630233A
Cited
US2035878A
Cited
US1834809A
Cited
US2352992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |