US3215768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible wire and cable shielding
Assignee: Northrop Grumman Corp
•
Filing: 1963-09-23
•
Granted: 1965-11-02
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:21
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A CABLE HAVING AT LEAST ONE ELECTRICAL WIRE RUNNING THEREIN, A FIRST ELECTRO-MAGNETIC SHIELDING LAYER SURROUNDING SAID WIRE, SAID FIRST LAYER BEING FABRICATED OF A MAGNETIC MATERIAL HAVING RELATIVELY LOW PERMEABILITY AND RELATIVELY GOOD CONDUCTIVITY, AND A SECOND SHIELDING LAYER CONCENTRIC WITH SAID FIRST LAYER, SAID SEONCD LAYER BEING FABRICATED OF AMAGNETIC MATERIAL HAVING RELATIVELY HIGH PERMEABILITY, SAID SHIELDING LAYERS BEING COMPRISED OF BRAIDED WIRE.
Claim 2
Dependent Claim
66 words
IN A CABLE HAVING AT LEAST ONE ELECTRICAL WIRE RUNNING THEREIN, A FIRST ELECTRO-MAGNETIC SHIELDING LAYER SURROUNDING SAID WIRE, SAID FIRST LAYER BEING FABRICATED OF A MAGNETIC MATERIAL HAVING RELATIVELY LOW PERMEABILITY AND RELATIVELY GOOD CONDUCTIVITY, AND A SECOND SHIELDING LAYER CONCENTRIC WITH SAID FIRST LAYER, SAID SEONCD LAYER BEING FABRICATED OF AMAGNETIC MATERIAL HAVING RELATIVELY HIGH PERMEABILITY, SAID SHIELDING LAYERS BEING COMPRISED OF BRAIDED WIRE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |