US3517318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: National Aeronautics and Space Administration
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Filing: 1967-07-24
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Granted: 1970-06-23
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 Duane K Mcdermond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/68; H; H03; H03K; H03K23/00; H03K23/40; H03K23/50; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/099; H03L7/0991; H03L7/0992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3264567A
Cited
US3349332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |