US2898479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clock pulse circuit for transistor flip-flop
Assignee: Raytheon Co
•
Filing: 1957-06-28
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Granted: 1959-08-04
•
Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 Melvin R Mcelroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:52
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2764343A
Cited
US2673936A
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US2778978A
Cited
US2665845A
Cited
US2759104A
Cited
US2802940A
Cited
US2783384A
Cited
US2797261A
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 |