US3196323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric capacitor with porous electrode and method for making same
Assignee: Sprague Electric Co
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Filing: 1960-02-29
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Granted: 1965-07-20
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Donald G Rogers
- 👤 Dominic J Zeppieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF PRODUCING A METAL PELLET-TYPE POROUS ANODE COMPRISING THE STEPS OF PRESSING METAL PARTICLES TO FORM A PLURALITY OF INDIVIDUAL AND SEPARATE POROUS VALVEMETAL DISCS, PARTIALLY SINTERING THE DISCS, STACKING THE DISCS IN CONTIGUOUS MANNER, PROVIDING VALVE-METAL CONNECTING MEANS BETWEEN EACH DISC, WELDING THE DISCS TOGETHER THROUGH SAID CONNECTING MEANS, WELDING AN ANODE LEADWIRE TO AN END OF THE STACKED DISCS, AND COMPLETING THE SINTERING OF THE DISCS.
Claim 2
Independent Claim
70 words
A METHOD OF PRODUCING A METAL PELLET-TYPE POROUS ANODE COMPRISING THE STEPS OF PRESSING METAL PARTICLES TO FORM A PLURALITY OF INDIVIDUAL AND SEPARATE POROUS VALVEMETAL DISCS, PARTIALLY SINTERING THE DISCS, STACKING THE DISCS IN CONTIGUOUS MANNER, PROVIDING VALVE-METAL CONNECTING MEANS BETWEEN EACH DISC, WELDING THE DISCS TOGETHER THROUGH SAID CONNECTING MEANS, WELDING AN ANODE LEADWIRE TO AN END OF THE STACKED DISCS, AND COMPLETING THE SINTERING OF THE DISCS.
References Cited (Backward Citations)
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Cited
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US1969396A
Cited
US2359970A
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |