Patent US2955211A successfully refreshed from Google Patents.
US2955211A
Expired / Lapsed
US
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Bistable circuit
Assignee: Laboratory For Electronics Inc
•
Filing: 1956-07-19
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Granted: 1960-10-04
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Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Edward D Ostroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:23
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/76; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2777370A
Cited
US2556286A
Cited
US2760088A
Cited
US2747110A
Cited
US2854590A
Cited
US2851604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |