US3446906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient conductive coated foam member and electromagnetic shield employing same
Assignee: Tektronix Inc
•
Filing: 1967-05-17
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Granted: 1969-05-27
•
Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 Dieter Zulauf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:11
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0041; H01; H01B; H01B1/00; Y; Y10; Y10S; Y10S277/00; Y10S277/919; Y10S277/92; Y10S55/00; Y10S55/13; Y10S55/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674644A
Cited
US3312769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |