Patent EP0094179A2 successfully refreshed from Google Patents.
US3501767A
Expired / Lapsed
US
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Ultra-high frequency table top dipole mat antenna
Assignee: Lambda Antenna Systems Corp
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Filing: 1968-11-18
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Granted: 1970-03-17
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Expires: 1988-11-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph Velez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/28; H01Q9/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039988A
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US2632849A
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US2673931A
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US2614220A
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US2750321A
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US2821710A
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US3369245A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |