Patent US2719226A successfully refreshed from Google Patents.
US2719226A
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Timed signal generator
Assignee: Unisys Corp
•
Filing: 1951-06-04
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Granted: 1955-09-27
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Expires: 1971-06-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon Bernard Marshall
- 👤 Lukoff Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399668A
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US2421022A
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US2536032A
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US2564824A
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US2589465A
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US2560124A
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US2592611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |