US2761006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery
Assignee: Individual
•
Filing: 1952-09-10
•
Granted: 1956-08-28
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Nelson H Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:53
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/60; H01M10/65; H01M10/657; H01M10/6571; H01M10/61; H01M10/615; H01M10/653; H01M10/654; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A WET STORAGE CELL BATTERY COMBINATION OF THE LEAD ACID TYPE HAVING AT LEAST ONE CELL AS WELL AS ELECTOLYTE FOR SAID BATTERY, THE HEATING ELEMENT COMPRISING A HIGH RESISTANCE ALLOY WIRE HEATER ELEMENT AND ELECTROLYTE IMPREVIOUS METALLIC SHEATHING OF LEAD ENCASING SAID HEATER TO PREVENT CONTACT OF BATTERY ELECTROLYTE THEREWITH AND TO CONDUCT THE HEAT GENERATED BY THE HEATER TO THE ELECTROLYTE, AND A LAVER OF INSULATING FIBERS INTERPOSED BETWEEN THE HEATER AND THE SHEATING, SAID
Claim 2
Dependent Claim
78 words
IN A WET STORAGE CELL BATTERY COMBINATION OF THE LEAD ACID TYPE HAVING AT LEAST ONE CELL AS WELL AS ELECTOLYTE FOR SAID BATTERY, THE HEATING ELEMENT COMPRISING A HIGH RESISTANCE ALLOY WIRE HEATER ELEMENT AND ELECTROLYTE IMPREVIOUS METALLIC SHEATHING OF LEAD ENCASING SAID HEATER TO PREVENT CONTACT OF BATTERY ELECTROLYTE THEREWITH AND TO CONDUCT THE HEAT GENERATED BY THE HEATER TO THE ELECTROLYTE, AND A LAVER OF INSULATING FIBERS INTERPOSED BETWEEN THE HEATER AND THE SHEATING, SAID
References Cited (Backward Citations)
US732616A
Cited
US1793829A
Cited
US2157139A
Cited
US2387829A
Cited
US2418792A
Cited
US2516048A
Cited
US2615933A
Cited
US2626971A
Cited
US2700064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |