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US3286136A Expired / Lapsed US ⏱️ 0.0 years remaining

Fabrication of electrodes from modular units

Assignee: AT&T Inc
•
Filing: 1963-09-20
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Granted: 1966-11-15
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Expires: 1983-09-20
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Abstract

No abstract record available.

Inventors

  • 👤 David A Mclean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:09
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052; B; B22; B22F; B22F7/00; B22F7/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 92 words
A METHOD FOR THE FABRICATION OF AN ELECTRODE FOR USE IN AN ELECTROLYTIC CAPACITOR WHICH COMPRISES THE STEPS OF PRESSING A FILM-FORMING METAL POWDER INTO A PLURALITY OF FLAT 1 SHAPED POROUS MODULES, THE ENDS OF SAID MODULES BEING OF GREATER THICKNESS THAN THE CENTRAL PORTIONS THEREOF, PARTIALLY SINTERING EACH OF SAID MODULES INTO SELFSUPPORTING STRUCTURES BY HEATING, PLACING A PLURALITY OF SAID STRUCTURES ONE DIRECTLY ATOP ANOTHER AND PRESSING THE ENDS THEREOF TO FORM A POROUS UNITARY SUPPORTING ASSEMBLY AND SINTERING SAID ASSEMBLY BY HEATING, SO PRODUCING A POROUS FILM-FORMING ELECTRODE.
Claim 2
Independent Claim 92 words
A METHOD FOR THE FABRICATION OF AN ELECTRODE FOR USE IN AN ELECTROLYTIC CAPACITOR WHICH COMPRISES THE STEPS OF PRESSING A FILM-FORMING METAL POWDER INTO A PLURALITY OF FLAT 1 SHAPED POROUS MODULES, THE ENDS OF SAID MODULES BEING OF GREATER THICKNESS THAN THE CENTRAL PORTIONS THEREOF, PARTIALLY SINTERING EACH OF SAID MODULES INTO SELFSUPPORTING STRUCTURES BY HEATING, PLACING A PLURALITY OF SAID STRUCTURES ONE DIRECTLY ATOP ANOTHER AND PRESSING THE ENDS THEREOF TO FORM A POROUS UNITARY SUPPORTING ASSEMBLY AND SINTERING SAID ASSEMBLY BY HEATING, SO PRODUCING A POROUS FILM-FORMING ELECTRODE.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-14 1970-05-16 1970-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-14 1974-05-16 1974-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-14 1978-05-16 1978-11-15 $7700.00 Window Closed / Lapsed

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