US2551799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for lining a metallic dry cell anode
Assignee: Union Carbide Corp
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Filing: 1946-11-16
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Granted: 1951-05-08
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Expires: 1966-11-16
Abstract
No abstract record available.
Inventors
- 👤 Marcus R Hatfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
PROCESS OF LINING A METALLIC DRY CELL ANODE WHICH COMPRISES APPLYING TO THE ACTIVE SURFACE THEREOF A COLLODIAL SUSPENSION OF METHYL CELLULOSE IN METHANOL, DRYING, APPLYING OVER THE COATING THUS OBTAINED A COLLOIDAL SUSPENSION CONTAINING METHYL CELLULOSE AND AN INSOLUBILIZING AGENT THEREOF, AND AGAIN DRYING.
References Cited (Backward Citations)
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GB479502A
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GB479462A
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US2231319A
Cited
US2111342A
Cited
US2276519A
Cited
US2270200A
Cited
US2394101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |