US3189063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery watering device
Assignee: Individual
•
Filing: 1962-08-07
•
Granted: 1965-06-15
•
Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Lowe Charles Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:49
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A DEVICE FOR SUPPLYING ELECTROLYTIC FLUID TO A BATTERY CELL, COMPRISING: A FILLING CHAMBER COMMUNICATIVE WITH THE ELECTROLYTIC FLUID IN SAID CELL SUCH AS THE FLUID IN SAID CHAMBER NORMALLY MAINTAINS A LEVEL WHICH IS A FUNCTION OF THE LEVEL IN SAID CELL; A SUPPLY OF ELECTROLYTIC FLUID; A VALVE STRUCTURE CONTINUOUSLY COMMUNICATIVE WITH SAID SUPPLY AND ADAPTED TO BE PLACED WITHIN SAID CHAMBER, SAID STRUCTURE HAVING A CENTRAL PASSAGE THERETHROUGH A FLOAT ADAPTED TO FLOAT UPON THE SURFACE OF THE FLOAT IN THE CHAMBER; AND VALVE MEANS IN SAID PASSAGE CONNECTED TO SAID FLOAT ADAPTED TO RESTRICT THE FLOW OF FLUID FROM SAID SUPPLY THROUGH SAID PASSAGE TO SAID BATTERY CELL WHEN THE LEVEL OF FLUID IN SAID CHAMBER IS ABOVE A PREDETERMINED LEVEL AND TO RESTRICT THE FLOW OF FLUID FROM SAID SUP-
Claim 2
Independent Claim
135 words
A DEVICE FOR SUPPLYING ELECTROLYTIC FLUID TO A BATTERY CELL, COMPRISING: A FILLING CHAMBER COMMUNICATIVE WITH THE ELECTROLYTIC FLUID IN SAID CELL SUCH AS THE FLUID IN SAID CHAMBER NORMALLY MAINTAINS A LEVEL WHICH IS A FUNCTION OF THE LEVEL IN SAID CELL; A SUPPLY OF ELECTROLYTIC FLUID; A VALVE STRUCTURE CONTINUOUSLY COMMUNICATIVE WITH SAID SUPPLY AND ADAPTED TO BE PLACED WITHIN SAID CHAMBER, SAID STRUCTURE HAVING A CENTRAL PASSAGE THERETHROUGH A FLOAT ADAPTED TO FLOAT UPON THE SURFACE OF THE FLOAT IN THE CHAMBER; AND VALVE MEANS IN SAID PASSAGE CONNECTED TO SAID FLOAT ADAPTED TO RESTRICT THE FLOW OF FLUID FROM SAID SUPPLY THROUGH SAID PASSAGE TO SAID BATTERY CELL WHEN THE LEVEL OF FLUID IN SAID CHAMBER IS ABOVE A PREDETERMINED LEVEL AND TO RESTRICT THE FLOW OF FLUID FROM SAID SUP-
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |