US3535543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave power receiving antenna
Assignee: National Aeronautics and Space Administration
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Filing: 1969-05-01
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Granted: 1970-10-20
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Expires: 1989-05-01
Abstract
No abstract record available.
Inventors
- 👤 Carroll C Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:21
CPC Classifications
H; H01; H01Q; H01Q23/00; B; B64; B64G; B64G1/00; B64G1/22; H02; H02J; H02J50/00; H02J50/10; H02J50/20; H02J50/27; H02M; H02M11/00; H02J2105/00; H02J2105/30; H02J2105/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3432690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |