Patent US3434887A successfully refreshed from Google Patents.
US3434887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery fill apparatus
Assignee: COLUMBIA CAR Corp
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Filing: 1966-12-29
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Granted: 1969-03-25
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Albert E Seckinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:37
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
BATTERY FILL APPARATUS COMPRISING, IN COMBINATION, A BATTERY INCLUDING A LIQUID CONTAINER, A LIQUID RESERVOIR, MEANS DEFINING A FLOW PASSAGE EXTENDING FROM SAID RESERVOIR AND OPENING INTO SAID BATTERY CONTAINER, MEANS FOR CAUSING FLOW OF LIQUID IN SAID FLOW PASSAGE FROM SAID RESERVOIR TO SAID BATTERY CONTAINER, VENT MEANS DEFINING AN EXHAUST PASSAGE FROM THE INTERIOR OF SAID BATTERY CONTAINER TO A POINT EXTERIORLY OF SAID BATTERY CONTAINER, SAID VENT MEANS OPENING INTO THE INTERIOR OF SAID BATTERY CONTAINER AT A POINT CORRESPONDING TO A PREDETERMINED LIQUID LEVEL WITHIN SAID CONTAINER SO THAT SAID EXHAUST PASSAGE PROVIDES FOR EXHAUST FROM SAID CONTAINER SO LONG AS SAID LIQUID IS BELOW SAID PREDETERMINED LEVEL, SAID BATTERY CONTAINER BEING OTHERWISE SUBSTANTIALLY SEALED EXCEPT FOR SAID VENT MEANS AND FLOW PASSAGE, AND STAND PIPE MEANS CONNECTED TO SAID FLOW PASSAGE AND EXTENDING TO A PREDETERMINED VERTICAL POINT ABOVE THE LIQUID LEVEL IN SAID RESERVOIR.
Claim 2
Dependent Claim
150 words
BATTERY FILL APPARATUS COMPRISING, IN COMBINATION, A BATTERY INCLUDING A LIQUID CONTAINER, A LIQUID RESERVOIR, MEANS DEFINING A FLOW PASSAGE EXTENDING FROM SAID RESERVOIR AND OPENING INTO SAID BATTERY CONTAINER, MEANS FOR CAUSING FLOW OF LIQUID IN SAID FLOW PASSAGE FROM SAID RESERVOIR TO SAID BATTERY CONTAINER, VENT MEANS DEFINING AN EXHAUST PASSAGE FROM THE INTERIOR OF SAID BATTERY CONTAINER TO A POINT EXTERIORLY OF SAID BATTERY CONTAINER, SAID VENT MEANS OPENING INTO THE INTERIOR OF SAID BATTERY CONTAINER AT A POINT CORRESPONDING TO A PREDETERMINED LIQUID LEVEL WITHIN SAID CONTAINER SO THAT SAID EXHAUST PASSAGE PROVIDES FOR EXHAUST FROM SAID CONTAINER SO LONG AS SAID LIQUID IS BELOW SAID PREDETERMINED LEVEL, SAID BATTERY CONTAINER BEING OTHERWISE SUBSTANTIALLY SEALED EXCEPT FOR SAID VENT MEANS AND FLOW PASSAGE, AND STAND PIPE MEANS CONNECTED TO SAID FLOW PASSAGE AND EXTENDING TO A PREDETERMINED VERTICAL POINT ABOVE THE LIQUID LEVEL IN SAID RESERVOIR.
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |