Patent US2677873A successfully refreshed from Google Patents.
US2677873A
Expired / Lapsed
US
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Method of making nickel sponge cathodes
Assignee: United States Department of the Navy
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Filing: 1946-01-10
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Granted: 1954-05-11
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Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 James G Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:47
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J23/00; H01J23/02; H01J23/04; H01J23/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE METHOD OF CONSTRUCTING A BASE STRUCTURE FOR A CATHODE, SAID METHOD INCLUDING THE STEPS OF MIXING PARTICLES OF METAL WITH A MOULDABLE, VOLATILE BINDER, MOLDING THE MIXTURE TO FORM A MOLDED HOLLOW TUBE FITTED ONTO A METALLIC SLEEVE, HEATING SAID MIXTURE WHILE SUPPORTED IN INTIMATE CONTACT WITH SAID SLEEVE THEREBY REMOVING THE VOLATILE BINDER AND SINTERING SAID PARTICLES OF METAL TOGETHER AND TO SAID METALLIC SLEEVE, AND MACHINING THE OUTER SURFACE OF THE BASE STRUCTURE SO FORMED TO REMOVE THE OUTERMOST LAYER OF PARTICLES.
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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |