US3465361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic wave retarding structure
Assignee: Emerson Process Management Ltd
•
Filing: 1965-01-13
•
Granted: 1969-09-02
•
Expires: 1985-01-13
Abstract
No abstract record available.
Inventors
- 👤 Tenny D Lode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:01
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/02; H01Q15/08; H01Q17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511610A
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US2929034A
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US2840820A
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US3254345A
Cited
US3310808A
Cited
US3310807A
Cited
US3324426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |