Patent US3786181A successfully refreshed from Google Patents.
Patent US2890263A successfully refreshed from Google Patents.
US2890263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial cables
Assignee: Hackethal Draht Kabel Werke AG
•
Filing: 1952-11-18
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Granted: 1959-06-09
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Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Brandes Hermann
- 👤 Andresen Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:28
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563578A
Cited
CA496288A
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US1885168A
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FR764175A
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US2034047A
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US2276084A
Cited
US2216435A
Cited
US2351056A
Cited
US2556224A
Cited
US2576163A
Cited
US2636083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |