Patent US3708347A successfully refreshed from Google Patents.
US3708347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for replenishing the liquid in a storage battery
Assignee: Robert Bosch GmbH
•
Filing: 1970-08-13
•
Granted: 1973-01-02
•
Expires: 1990-08-13
Abstract
Abstract A DEVICE FOR REPLENISHING THE LIQUID IN A STORAGE BATTERY INCLUDES THE DETACHABLE COVER OF THE CONTAINER OF THE BATTERY, AND A CLOSED VESSEL ABOVE THE COVER CONTAINING THE LIQUID. INLET MEANS INCLUDING A POROUS LIQUID-PERMEABLE BODY, AND A GAS OUTLET TUBE CLOSED TO THE LIQUID, CONNECT THE VESSEL WITH THE CONTAINER.
Inventors
- 👤 B Ziegler
- 👤 E Blaich
- 👤 O Maier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:29
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/292; G01F23/2921; G01F23/2922; H; H01; H01M; H01M50/00; H01M50/60; H01M50/609; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |