US3030581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Raytheon Co
•
Filing: 1958-07-01
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Granted: 1962-04-17
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Expires: 1978-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:49
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/64; H03K23/66; G; G11; G11C; G11C19/00; H03K23/40; H03K23/50; H03K23/54; H03K23/542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2542644A
Cited
US2615127A
Cited
US2819840A
Cited
US2853238A
Cited
US2806947A
Cited
US2951230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |