US3201280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead-acid storage battery
Assignee: Individual
•
Filing: 1960-10-07
•
Granted: 1965-08-17
•
Expires: 1980-10-07
Abstract
No abstract record available.
Inventors
- 👤 Yumoto Ryoji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:46
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A LEAD-ACID STORAGE BATTERY COMPRISING A CONTAINER HAVING A SUBSTANTIALLY FLAT INTERIOR BOTTOM SURFACE UPON WHICH THE BATTERY PLATES ARE RESTED, ELECTROLYTE IN SAID CONTAINER, A PAIR OF PLATES IN SAID CONTAINER, ONE OF SAID PLATES HAVING A PAIR OF MICRO-POROUS SEPARATORS ON THE OPPOSITE SURFACES THEREOF, A JACKET OF ACID-RESISTANT ELECTRICALLY INSULATING AND MATERIAL OVERLAPPING THE SIDE AND BOTTOM EDGES OF SIAD SEPARATORS TO DEFINE WITH SAID SEPARATORS AN ENCLOSURE FOR SAID ONE PLATE WHEREBY SAID ONE PLATE IS ENCLOSED TO PREVENT SEDIMENTATION FROM SEEPING OUT AND SHORT CICUITING THE PLATES RESTING ON SAID BOTTOM.
Claim 2
Dependent Claim
96 words
A LEAD-ACID STORAGE BATTERY COMPRISING A CONTAINER HAVING A SUBSTANTIALLY FLAT INTERIOR BOTTOM SURFACE UPON WHICH THE BATTERY PLATES ARE RESTED, ELECTROLYTE IN SAID CONTAINER, A PAIR OF PLATES IN SAID CONTAINER, ONE OF SAID PLATES HAVING A PAIR OF MICRO-POROUS SEPARATORS ON THE OPPOSITE SURFACES THEREOF, A JACKET OF ACID-RESISTANT ELECTRICALLY INSULATING AND MATERIAL OVERLAPPING THE SIDE AND BOTTOM EDGES OF SIAD SEPARATORS TO DEFINE WITH SAID SEPARATORS AN ENCLOSURE FOR SAID ONE PLATE WHEREBY SAID ONE PLATE IS ENCLOSED TO PREVENT SEDIMENTATION FROM SEEPING OUT AND SHORT CICUITING THE PLATES RESTING ON SAID BOTTOM.
References Cited (Backward Citations)
US1668404A
Cited
GB285226A
Cited
US1942350A
Cited
US2490630A
Cited
US2905738A
Cited
US2934585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |