US3159508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas permeable container
Assignee: Exide Technologies LLC
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Filing: 1961-08-29
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Granted: 1964-12-01
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Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Augustus M Chreitzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:15
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/131; H01M50/116; H01M50/117; H01M50/119; H01M50/121; H01M50/122; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PLASTIC CONTAINER FOR ELECTRIC BATTERIES CHARACTERIZED BY AN INCREASED PERMEABILITY TO HYDROGEN, SAID CONTAINER HAVING FINELY DIVIDED METAL PARTICLES DISPERSED THROUGHOUT AT LEAST A LIMITED AREA THEREOF IN AN AMOUNT INSUFFICIENT TO IMPART ELECTRICAL CONDUCTIVITY TO THE AREA OF DISPERSAL, SAID METAL PARTICLES BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF THE PLATINUM GROUP, SILVER AND RANEY NICKEL.
Claim 2
Dependent Claim
60 words
A PLASTIC CONTAINER FOR ELECTRIC BATTERIES CHARACTERIZED BY AN INCREASED PERMEABILITY TO HYDROGEN, SAID CONTAINER HAVING FINELY DIVIDED METAL PARTICLES DISPERSED THROUGHOUT AT LEAST A LIMITED AREA THEREOF IN AN AMOUNT INSUFFICIENT TO IMPART ELECTRICAL CONDUCTIVITY TO THE AREA OF DISPERSAL, SAID METAL PARTICLES BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF THE PLATINUM GROUP, SILVER AND RANEY NICKEL.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |