US2632848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna
Assignee: Electronics Res Inc
•
Filing: 1948-12-03
•
Granted: 1953-03-24
•
Expires: 1968-12-03
Abstract
No abstract record available.
Inventors
- 👤 Raburn Louis Earl
- 👤 Anderson Richard Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:15
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2044779A
Cited
US2133855A
Cited
US2151997A
Cited
US2210491A
Cited
US2324462A
Cited
US2414266A
Cited
US2416246A
Cited
US2452073A
Cited
US2471256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |