US2717310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct current electronic integrating system
Assignee: Raytheon Co
•
Filing: 1952-11-13
•
Granted: 1955-09-06
•
Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Woodruff Thomas Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:48
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; H; H03; H03K; H03K7/00; H03K7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2527342A
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US2432142A
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US2432141A
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US2432140A
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US2607528A
Cited
US2449035A
Cited
US2551964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |