Patent US2961480A successfully refreshed from Google Patents.
US2961480A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1957-10-21
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Granted: 1960-11-22
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Victor S Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:46
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US522664A
Cited
US547078A
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FR742289A
Cited
US733568A
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US1223167A
Cited
US1445072A
Cited
US1956534A
Cited
FR912709A
Cited
US2682581A
Cited
US2813143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |