US3286136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of electrodes from modular units
Assignee: AT&T Inc
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Filing: 1963-09-20
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Granted: 1966-11-15
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 David A Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:39
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 |