Patent US2898563A successfully refreshed from Google Patents.
US2898563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turret tuner with peripherally extending contact carrying straps forming part of tuned circuit
Assignee: Individual
•
Filing: 1955-01-24
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Granted: 1959-08-04
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Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 Cola Rinaldo E De
- 👤 Reuben C Carlson
- 👤 Ernest H Schrot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:23
CPC Classifications
H; H03; H03J; H03J5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1913617A
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US2103035A
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US2551228A
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US2693581A
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US2496183A
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US2627579A
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US2643361A
Cited
US2584176A
Cited
US2718623A
Cited
US2774880A
Cited
US2778943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |