Patent US7172625B2 successfully refreshed from Google Patents.
US2985835A
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Shift register circuit
Assignee: Westinghouse Electric Corp
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Filing: 1957-07-18
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Granted: 1961-05-23
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Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Hugh D Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:41
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/06; G06F5/08; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G11; G11C; G11C19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2828477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |