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US3374044A
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US
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Filtered wave-energy corner-reflector
Assignee: General Dynamics Corp
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Filing: 1964-11-03
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Granted: 1968-03-19
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Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Howard F Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:08
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/22; G02B5/12; G02B5/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377161A
Cited
US1754899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |