US3290472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric current collecting element
Assignee: General Electric Co
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Filing: 1965-06-21
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Granted: 1966-12-06
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Robert H Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:35
CPC Classifications
H; H01; H01B; H01B1/00; H01H; H01H1/00; H01H1/60; H01R; H01R39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A LONGITUDINALLY-EXTENDING ELECTRIC CURRENT COLLECTING ELEMENT HAVING AN EXPOSED CURRENT COLLECTING CONTACT FACE, SAID ELEMENT COMPRISING: (A) A LONGITUDINALLY-EXTENDING CORE OF LOW ADHESION, ELECTRICALLY CONDUCTING MATERIAL, AND (B) AN OUTER LONGITUDINALLY-EXTENDING WALL OF METALLIC MATERIAL HAVING LOW ELECTRICAL RESISTANCE ENCLOSING SAID CORE OVER THE SIDEWALL AREA THEREOF, (1) SAID ELEMENT HAVING AS AN EXPOSED CURRENT COLLECTING CONTACT FACE AN AREA OF SAID LOW ADHESION MATERIAL SURROUNDED BY AN AREA OF SAID METALLIC MATERIAL WITH THE RATIO OF THE AREA OF LOW ADHESION MATERIAL TO THE AREA OF METALLIC MATERIAL BEING IN THE RANGE OF FROM ABOUT 400:1 TO 1:1.
Claim 2
Dependent Claim
99 words
A LONGITUDINALLY-EXTENDING ELECTRIC CURRENT COLLECTING ELEMENT HAVING AN EXPOSED CURRENT COLLECTING CONTACT FACE, SAID ELEMENT COMPRISING: (A) A LONGITUDINALLY-EXTENDING CORE OF LOW ADHESION, ELECTRICALLY CONDUCTING MATERIAL, AND (B) AN OUTER LONGITUDINALLY-EXTENDING WALL OF METALLIC MATERIAL HAVING LOW ELECTRICAL RESISTANCE ENCLOSING SAID CORE OVER THE SIDEWALL AREA THEREOF, (1) SAID ELEMENT HAVING AS AN EXPOSED CURRENT COLLECTING CONTACT FACE AN AREA OF SAID LOW ADHESION MATERIAL SURROUNDED BY AN AREA OF SAID METALLIC MATERIAL WITH THE RATIO OF THE AREA OF LOW ADHESION MATERIAL TO THE AREA OF METALLIC MATERIAL BEING IN THE RANGE OF FROM ABOUT 400:1 TO 1:1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |