US3449553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer for determining the correlation function of variable signals
Assignee: United Geophysical Corp
•
Filing: 1965-08-23
•
Granted: 1969-06-10
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Merrill L Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:21
CPC Classifications
G; G06; G06F; G06F17/00; G06F17/10; G06F17/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2936116A
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US3248528A
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US3009638A
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US3036775A
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US3311910A
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US3238298A
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US3327103A
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US3303335A
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US3376411A
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US3354297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |