US3395059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making lightweight horn antenna
Assignee: GTE Sylvania Inc
•
Filing: 1964-04-15
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Granted: 1968-07-30
•
Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 John M Butler
- 👤 Turner A Robie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:45
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/0275; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2747180A
Cited
US2765248A
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US3077647A
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US3320341A
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US3176055A
Cited
US3167776A
Cited
US3184210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |