US2758246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal frequency dividers
Assignee: RCA Corp
•
Filing: 1951-02-01
•
Granted: 1956-08-07
•
Expires: 1971-02-01
Abstract
No abstract record available.
Inventors
- 👤 Lowell E Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:16
CPC Classifications
H; H03; H03B; H03B19/00; H03B19/06; H03B19/08; H03B19/12; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22990E
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US2284751A
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US2424959A
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US2369268A
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US2414843A
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US2452048A
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US2452566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |