US2878303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna mounting structure
Assignee: ELROB Manufacturing CO
•
Filing: 1956-04-04
•
Granted: 1959-03-17
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Zacher Norman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:13
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1214; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32131; Y10T403/32139
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2536733A
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US2509563A
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US2536053A
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US2694539A
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US2749074A
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DK75276A
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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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |