Patent US2868973A successfully refreshed from Google Patents.
US2868973A
Expired / Lapsed
US
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Decade frequency generator
Assignee: Individual
•
Filing: 1953-06-17
•
Granted: 1959-01-13
•
Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Garold K Jensen
- 👤 James E Mcgeogh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:03
CPC Classifications
H; H03; H03B; H03B21/00; H03B21/01; H03B21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2332540A
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US2416078A
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US2507317A
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US2605425A
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US2567286A
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US2662181A
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US2719231A
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US2623177A
Cited
US2653315A
Cited
US2704329A
Cited
US2777055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |