US3238355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particle filled conductor
Assignee: Douglas Aircraft Co Inc
•
Filing: 1962-12-10
•
Granted: 1966-03-01
•
Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Philippe F Van Eeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/12; H05B3/14; H05B3/146; H01; H01B; H01B1/00; H01B1/20; H01B1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PARTICLE FILLED CONDUCTOR COMPRISING: A HIGH RESISTANCE, SUBSTANTIALLY SOLID, MATRIX MATERIAL; ELECTRICALLY CONDUCTIVE PARTICLES SITUATED WITHIN SAID MATRIX MATERIAL AND ARRANGED IN ELECTRICALLY CONDUCTIVE PATHS, SAID PATHS HAVING THE FORM OF MULTIPLE INTERCONNECTED CHAINS FORMING A WEB-LIKE STRUCTURE; AT LEAST TWO ELECTRICAL LEADS, SAID LEADS BEING DISPOSED IN PHYSICAL ELECTRICAL CONTACT WITH SAID PARTICLES AT SPACED LOCATIONS; AND SAID ELECTRICALLY CONDUCTIVE PARTICLES COMPRISED OF PARAMAGNETIC CORES COATED WITH A NON-MAGNETIC METAL OF HIGH CONDUCTIVITY.
Claim 2
Dependent Claim
75 words
A PARTICLE FILLED CONDUCTOR COMPRISING: A HIGH RESISTANCE, SUBSTANTIALLY SOLID, MATRIX MATERIAL; ELECTRICALLY CONDUCTIVE PARTICLES SITUATED WITHIN SAID MATRIX MATERIAL AND ARRANGED IN ELECTRICALLY CONDUCTIVE PATHS, SAID PATHS HAVING THE FORM OF MULTIPLE INTERCONNECTED CHAINS FORMING A WEB-LIKE STRUCTURE; AT LEAST TWO ELECTRICAL LEADS, SAID LEADS BEING DISPOSED IN PHYSICAL ELECTRICAL CONTACT WITH SAID PARTICLES AT SPACED LOCATIONS; AND SAID ELECTRICALLY CONDUCTIVE PARTICLES COMPRISED OF PARAMAGNETIC CORES COATED WITH A NON-MAGNETIC METAL OF HIGH CONDUCTIVITY.
References Cited (Backward Citations)
US942555A
Cited
US1723872A
Cited
US2067393A
Cited
US2589766A
Cited
US2559077A
Cited
US2472214A
Cited
US2707223A
Cited
US2688070A
Cited
US2717946A
Cited
US2683673A
Cited
US2741692A
Cited
US2942330A
Cited
US2796505A
Cited
US2862097A
Cited
US2990607A
Cited
US2899657A
Cited
US2861163A
Cited
US2978665A
Cited
US3031344A
Cited
US2962680A
Cited
US2951817A
Cited
US3056750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |