Patent US2527918A successfully refreshed from Google Patents.
US2527918A
Expired / Lapsed
US
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Method of minimizing reflection of
Assignee: —
•
Filing: —
•
Granted: 1950-10-31
•
Expires: 1967-10-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:04
CPC Classifications
H; H01; H01Q; H01Q17/00; G; G01; G01S; G01S1/00; G01S1/02; H01Q15/00; H01Q15/0006; H01Q15/0013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119543A
Cited
US1554180A
Cited
FR802728A
Cited
US2096233A
Cited
US2292444A
Cited
US2464006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |