US3054843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery separator
Assignee: Motors Liquidation Co
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Filing: 1960-04-27
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Granted: 1962-09-18
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Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 William J Yurgen
- 👤 Palinchak Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:53
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SEPARATOR FOR STORAGE BATTERIES COMPRISING A CURED BUTYL RUBBER, THE UNCURED COMPOSITION OF SAID RUBBER COMPRISING, BY WEIGHT, 100 PARTS BUTYL RUBBER, 5 PARTS ZINC OXIDE, 2 PARTS PARAFFIN WAX, 50 PARTS CELITE, 15 PARTS HISIL, 2 PARTS P-QUINONEDIOXINE, 4 PARTS RED LEAD, 1 PART 2MERCAPTOBENZOTHIAZOLE, 2 PARTS SULFUR, 10 PARTS DIOCTYL PHTHALATE, AND SILICA GEL.
Claim 2
Dependent Claim
57 words
A SEPARATOR FOR STORAGE BATTERIES COMPRISING A CURED BUTYL RUBBER, THE UNCURED COMPOSITION OF SAID RUBBER COMPRISING, BY WEIGHT, 100 PARTS BUTYL RUBBER, 5 PARTS ZINC OXIDE, 2 PARTS PARAFFIN WAX, 50 PARTS CELITE, 15 PARTS HISIL, 2 PARTS P-QUINONEDIOXINE, 4 PARTS RED LEAD, 1 PART 2MERCAPTOBENZOTHIAZOLE, 2 PARTS SULFUR, 10 PARTS DIOCTYL PHTHALATE, AND SILICA GEL.
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |