US3721113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling of lithium
Assignee: EIDP Inc
•
Filing: 1971-08-23
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Granted: 1973-03-20
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Expires: 1991-08-23
Abstract
Abstract A PROCESS FOR PROVIDING THIN CONTINUOUS LITHIUM STRIPS IN THICKNESS LESS THAN 0.40 CM. BY COLD ROLLING LITHIUM METAL WHILE IT IS COMPRESSED BETWEEN SMOOTH SURFACES OF A SOLID POLYMERIC COMPOSITION WHICH COMPOSITION IS NONREACTIVE WITH LITHIUM ABD HAS A CRITICAL SURFACE TENSION OF NOT OVER 46 DYNES PER CENTIMETER AT 20* C.
Inventors
- 👤 B Hovsepian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:00
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12; B; B21; B21B; B21B3/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/49112; Y10T29/4981; Y10T29/49812
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |