US2962252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1957-03-20
•
Granted: 1960-11-29
•
Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Frank Ben Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:02
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/12; H02G3/123; H02G3/126; Y; Y10; Y10S; Y10S248/00; Y10S248/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR348254A
Cited
US1067927A
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US1065685A
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US1540394A
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US2062156A
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US2269228A
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US2282881A
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US2380793A
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US2445606A
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US2697573A
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US2636709A
Cited
US2713983A
Cited
US2693226A
Cited
US2816726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |