Patent US2946707A successfully refreshed from Google Patents.
US2946707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage batteries and fluids therefor
Assignee: Individual
•
Filing: 1954-09-30
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Granted: 1960-07-26
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Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Harold H Sperber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:48
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/02; H01M10/06; H01M10/08; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A LEAD-TYPE STORAGE BATTERY COMPRISING A CASE, SEPARATORS, PLATES, SULPHURIC ACID, AND BETWEEN 0.1 AND 50% BY VOLUME BASED ON THE ENTIRE BATTERY FLUID OF A STABLE LIQUID ORGANO-SILOXANE.
Claim 2
Dependent Claim
29 words
A LEAD-TYPE STORAGE BATTERY COMPRISING A CASE, SEPARATORS, PLATES, SULPHURIC ACID, AND BETWEEN 0.1 AND 50% BY VOLUME BASED ON THE ENTIRE BATTERY FLUID OF A STABLE LIQUID ORGANO-SILOXANE.
References Cited (Backward Citations)
US1826724A
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US2437204A
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US2467177A
Cited
US2507200A
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US2469883A
Cited
US2489138A
Cited
US2631117A
Cited
US2803690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |