US2764757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic lens antennas
Assignee: RCA Corp
•
Filing: 1951-01-02
•
Granted: 1956-09-25
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Rust Noel Meyer
- 👤 Ramsay John Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:10
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q15/00; H01Q15/02; H01Q19/00; H01Q19/06; H01Q19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206683A
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US2283935A
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US2461005A
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US2405242A
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US2415807A
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US2401601A
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US2411872A
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US2591695A
Cited
US2442951A
Cited
US2562277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |