US3156749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact molding of galvanic cell cathodes
Assignee: Union Carbide Corp
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Filing: 1961-10-16
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Granted: 1964-11-10
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Lee C Hosfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:20
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A PROCESS FOR IMPACT MOLDING A CYLINDRICAL CATHODE IN PLACE IN A GALVANIC CELLCONTAINER WHICH COMPRISES THE STEPS OF DISPENSING AN EXCESS FO CATHODIC MIX INTO THE BOTTOM OF SAID CELL CONTAINER; DRIVING ACYLINDRICAL PUNCH, SMALLER IN DIAMETER THAN THE INSIDE DIAMETER OF SAID CELL CONTAINER AND PROVIDED WITH A PLURALITY OF FLUTES FOR EXPELLING SAID EXCESS OF SAID CATHODIC MIX FROMSAID CONTAINER, INTO SAID CATHODIC MIX, REMOVING SAID EXCESS OF SAID CATHODIC MIX THROUGH SAID FLUTES WHILE THE REMAINDER OF SAID CATHODIC MIS IS MOLDED INTO A CATHODE BETWEEN SAID PUNCH AND THE INNER WALLS OF SAID CELL CONTAINER, ROTATING SAID PUNCH A SLIGHT AMOUNT PRIOR TO WITHDRAWAL FROM SAID CONTAINER WHEREBY SAID EXCESS OF SAID CATHODIC MIX IN SAID FLUTES IS SHEARED AND SEVERED OFF FROM SAID FORMED CATHODE; AND THEN REMOVING SAID PUNCH FROM SAID CELL CONTAINER THUS FORMING A FINISHED CATHODE-CONTAINER STRUCTURE.
Claim 2
Dependent Claim
146 words
A PROCESS FOR IMPACT MOLDING A CYLINDRICAL CATHODE IN PLACE IN A GALVANIC CELLCONTAINER WHICH COMPRISES THE STEPS OF DISPENSING AN EXCESS FO CATHODIC MIX INTO THE BOTTOM OF SAID CELL CONTAINER; DRIVING ACYLINDRICAL PUNCH, SMALLER IN DIAMETER THAN THE INSIDE DIAMETER OF SAID CELL CONTAINER AND PROVIDED WITH A PLURALITY OF FLUTES FOR EXPELLING SAID EXCESS OF SAID CATHODIC MIX FROMSAID CONTAINER, INTO SAID CATHODIC MIX, REMOVING SAID EXCESS OF SAID CATHODIC MIX THROUGH SAID FLUTES WHILE THE REMAINDER OF SAID CATHODIC MIS IS MOLDED INTO A CATHODE BETWEEN SAID PUNCH AND THE INNER WALLS OF SAID CELL CONTAINER, ROTATING SAID PUNCH A SLIGHT AMOUNT PRIOR TO WITHDRAWAL FROM SAID CONTAINER WHEREBY SAID EXCESS OF SAID CATHODIC MIX IN SAID FLUTES IS SHEARED AND SEVERED OFF FROM SAID FORMED CATHODE; AND THEN REMOVING SAID PUNCH FROM SAID CELL CONTAINER THUS FORMING A FINISHED CATHODE-CONTAINER STRUCTURE.
References Cited (Backward Citations)
US1195118A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |