US3085126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a battery separator and product thereof
Assignee: Johns Manville Corp
•
Filing: 1960-02-26
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Granted: 1963-04-09
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:24
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/44; H01M50/431; H01M50/434; H01M50/437; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A COMPOSITE GLASS FIBER ARTICLE ADAPTABLE FOR USE AS A BATTERY SEPARATOR PLATE COMPRISING A GLASS FIBER MAT HAVING A MULTIPLICITY OF FINE PORES AND CHARACTERIZED BY A DEGREE OF FLEXIBILITY COMPRISING BY WEIGHT ABOUT 65% TO ABOUT 87% OF GLASS FIBERS HAVING A DIAMETER OF ABOUT 2 TO ABOUT 3 MICRONS AND A LENGTH OF ABOUT 1/2 INCH TO ABOUT 1 INCH, ABOUT 5% TO ABOUT 15% GLASS FIBERS HAVING A DIAMETER OF ABOUT 1/4 TO ABOUT 1/2 MICRON AND A LENGTH OF NOT GREATER THAN 1/16 INCH, ABOUT 5% TO ABOUT 10% A NON FILM-FORMING BINDER OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF COLLOIDAL SILICA AND COLLOIDAL ALUMINA AND ABOUT 3% TO ABOUT 20% BY WEIGHT OF A THERMOPLASTIC BINDER.
Claim 2
Dependent Claim
126 words
A COMPOSITE GLASS FIBER ARTICLE ADAPTABLE FOR USE AS A BATTERY SEPARATOR PLATE COMPRISING A GLASS FIBER MAT HAVING A MULTIPLICITY OF FINE PORES AND CHARACTERIZED BY A DEGREE OF FLEXIBILITY COMPRISING BY WEIGHT ABOUT 65% TO ABOUT 87% OF GLASS FIBERS HAVING A DIAMETER OF ABOUT 2 TO ABOUT 3 MICRONS AND A LENGTH OF ABOUT 1/2 INCH TO ABOUT 1 INCH, ABOUT 5% TO ABOUT 15% GLASS FIBERS HAVING A DIAMETER OF ABOUT 1/4 TO ABOUT 1/2 MICRON AND A LENGTH OF NOT GREATER THAN 1/16 INCH, ABOUT 5% TO ABOUT 10% A NON FILM-FORMING BINDER OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF COLLOIDAL SILICA AND COLLOIDAL ALUMINA AND ABOUT 3% TO ABOUT 20% BY WEIGHT OF A THERMOPLASTIC BINDER.
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |