Patent US3002184A successfully refreshed from Google Patents.
US3002184A
Expired / Lapsed
US
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Pulse gating device
Assignee: International Business Machines Corp
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Filing: 1959-03-23
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Granted: 1961-09-26
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Walter E Proebster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:54
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; G; G11; G11C; G11C19/00; G11C19/02; G11C19/04; G11C19/12; H03K19/00; H03K19/02; H03K19/16; H03K19/164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |