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US3260906A Expired / Lapsed US ⏱️ 0.0 years remaining

Wound capacitor and method of making the same

Assignee: Individual
•
Filing: 1964-01-17
•
Granted: 1966-07-12
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Expires: 1984-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Kellerman David

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:50
CPC Classifications
H; H01; H01G; H01G13/00; H01G13/02; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 134 words
AN IMPROVED CAPACITOR COMPRISING, IN COMBINATION: A FLEXIBLE DIELECTRIC, TUBULAR CORE MEMBER; A MULTI-LAYER FILM MEMBER COMPRISING ALTERNATE LAYERS OF DIELECTRIC MATERIAL AND CONDUCTING MATERIAL TIGHTLY WOUND AROUND SAID CORE MEMBER AND A FIRST OF SAID LAYERS OF CONDUCTING MATERIAL COMPRISING A FIRST CAPACITOR ELECTRODE AND A SECOND OF SAID LAYERS OF CONDUCTING MATERIAL COMPRISING A SECOND CAPACITOR ELECTRODE; A FIRST CAPACITOR LEAD HAVING A CONNECTING PORTION INTERIOR A FIRST END OF SAID CORE MEMBER; A SECOND CAPACITOR LEAD HAVING A CONNECTING PORTION INTERIOR A SECOND END OF SAID CORE MEMBER; A FLEXIBLE FIRST WIRE MEANS COUPLED TO SAID CONNECTING PORTION OF SAID FIRST CAPACITOR LEAD AND TO SAID FIRST CAPACITOR ELECTRODE; AND A FLEXIBLE SECOND WIRE MEANS COUPLED TO SAID CONNECTING PORTION OF SAID SECOND CAPACITOR LEAD AND TO SAID SECOND CAPACITOR ELECTRODE.
Claim 2
Dependent Claim 326 words
AN IMPROVED METHOD OF MAKING A WOUND CAPACITOR OF THE TYPE HAVING A MULTI-LAYER FILM MEMBER, INCLUDING ALTERNATE LAYERS OF CONDUCTIVE MATERIAL AND DIELECTRIC MATERIAL IN WHICH A FIRST EDGE OF A FIRST HALF OF THE LAYERS OF CONDUCTING MATERIAL IS SPACED INWARDLY A PRESELECTED DISTANCE FROM A FIRST EDGE OF SAID LAYERS OF DIELECTRIC MATERIAL AND THE FIRST EDGE OF THE SECOND HALF OF THE LAYERS CONDUCTIVE MATERIAL IS SPACED INWARDLY A PRESELECTED DISTANCE FROM A SECOND EDGE OPPOSITE SAID FIRST EDGE OF SAID DIELECTRIC MATERIAL, AND THE SECOND EDGE OF SAID FIRST HALF OF SAID LAYERS OF CONDUCTING MATERIAL IS SUBSTANTIALLY COEXTENSIVE WITH THE SECOND EDGE OF SAID DIELECTRIC MATERIAL AND THE SECOND EDGE OF SAID SECOND HALF OF SAID LAYERS OF CONDUCTING MATERIAL IS SUBSTANTIALLY COEXTENSIVE WITH SAID FIRST EDGE OF SAID DIELECTRIC MATERIAL, COMPRISING THE STEPS OF: SPIRALLY WINDING SAID FILM MEMBER AROUND A PAIR OF TUBULAR DIELECTRIC FLEXIBLE CORE EMBERS AND SAID CORE MEMBERS HAVING PORTIONS EXTENDING A PRESELECTED DISTANCE EXTERIOR SAID FIRST EDGE AND SAID SECOND EDGE OF SAID LAYERS OF DIELECTRIC MATERIAL; SPRAYING A METALLIC COATING OVER SAID SECOND EDGE OF SAID FIRST HALF OF SAID LAYERS OF CONDUCTING MATERIAL; SPRAYING A METALLIC COATING OVER SAID SECOND EDGE OF SAID SECOND HALF OF SAID LAYERS OF CONDUCTING MATERIAL; TRIMMING SAID CORE MEMBERS SUBSTANTIALLY COPLANAR WITH THE EDGES OF SAID LAYERS OF DIELECRIC MATERIAL; CONNECTING A FIRST WIRE MEMBER TO A CONNECTING PORTION OF A FIRST CAPACITOR LEAD; CONNECTING A SECOND WIRE MEMBER TO A CONNECTING PORTION OF A SECOND CAPACITOR LEAD; SOLDERING SAID FIRST WIRE MEMBER TO SAID METALLIC COATING OVER SAID SECOND EDGE OF SAID FIRST HALF OF SAID LAYERS OF CONDUCTIVE MATERIAL; SOLDERING SAID SECOND WIRE MEMBER TO SAID METALLIC COATING OVER SAID SECOND EDGE OF SAID SECOND HALF OF SAID LAYERS OF CONDUCTIVE MATERIAL; AND INSERTING SAID CONNECTING PORTIONS OF SAID FIRST AND SAID SECOND CAPACITOR LEADS TO A PRESELECTED DISTANCE INTO SAID TUBULAR CORE MEMBERS.

References Cited (Backward Citations)

GB357490A Cited
US1960944A Cited
GB566492A Cited
GB715674A Cited
FR1062804A Cited
US3156854A Cited
US3004197A Cited
US2958023A Cited
US3163917A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-11 1970-01-10 1970-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-11 1974-01-10 1974-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-11 1978-01-10 1978-07-12 $7700.00 Window Closed / Lapsed

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