Patent US3021484A successfully refreshed from Google Patents.
US3021484A
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Plural gated pulse generators controlled by common feedback path
Assignee: International Business Machines Corp
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Filing: 1957-03-18
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Granted: 1962-02-13
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Auguste F Mestre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:08
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2198464A
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US2179414A
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US2573446A
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US2673293A
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US2748269A
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US2712065A
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US2756329A
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US2758205A
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US2789218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |