Lead-zinc primary battery
Abstract
Abstract A PRIMARY BATTERY OF LEAD-ZINC TYPE COMPRISING A BATTERY MAIN BODY AND A CONTAINER JOINTED TOGETHER, SAID BATTERY MAIN BODY CONSISTING OF A PLURALITY OF CELLS HOLDING A LEAD POSITIVE PLATE AND ZINC NEGATIVE PLATE SUPPORTED BY AN ELECTTRODE HOLDER AND A HEATING MATERIAL, SAID CONTAINER HOLDING SULFURIC ACID AND PUSH ROD THEREIN AND HAVING A SPOUT SEALED WITH A MEMBRANE. WHEN THE CONTAINER IS PRESSED WITH HAND FROM ITS OUTSIDE, THE LOWER EDGE OF THE PUSH ROD BREAKS THE SEALED MEMBRANE, ING SULFURIC ACID TO POUR INTO THE BATTERY MAIN BODY TO ACTTIVATE THE BATTTERY. THE PRIMARY BATTERY OF LEAD-ZINC TYPE ACCORDING TO THIS INVENTION HAS BETTER PERFORMANCE AT LOW TEMPERATURES AND IS SIMPLE TO MAKE AND LOW IN PRICE.
Inventors
- 👤 A Oka
Bibliographic Details
Claims Analysis
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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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |