US2992426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-magnetic-radiation-absorptive article and method of manufacturing the same
Assignee: EIDP Inc
•
Filing: 1946-01-18
•
Granted: 1961-07-11
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Expires: 1966-01-18
Abstract
No abstract record available.
Inventors
- 👤 Borcherdt Gerald Tennyson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:44
CPC Classifications
H; H01; H01Q; H01Q17/00; H01Q17/002; Y; Y10; Y10S; Y10S126/00; Y10S126/907; Y10S126/908; Y10S62/00; Y10S62/01; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T428/00; Y10T428/16; Y10T428/162; Y10T428/163; Y10T428/164; Y10T428/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1610423A
Cited
US1576730A
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US2053173A
Cited
US2234621A
Cited
US2205466A
Cited
US2399124A
Cited
US2349440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |