US2712604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna assembly with de-icing means
Assignee: Glenn L Martin Co
•
Filing: 1951-07-26
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Granted: 1955-07-05
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Expires: 1971-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Edgar Thomas
- 👤 Hershfield Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:32
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1404726A
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US2008266A
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US2115787A
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US2573746A
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FR944305A
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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) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |