Patent US3470538A successfully refreshed from Google Patents.
US3470538A
Expired / Lapsed
US
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Automatic start circuit for computer
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1966-12-28
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Granted: 1969-09-30
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Harbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:25
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3162772A
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US3303396A
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US3286135A
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US3349293A
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US3334243A
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US3377471A
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US3335332A
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US3386013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |