Patent US3467183A successfully refreshed from Google Patents.
Patent US4785478A successfully refreshed from Google Patents.
Patent US3256172A successfully refreshed from Google Patents.
US3256172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for avoiding short circuit damage in electrolytic cells
Assignee: Hoechst AG
•
Filing: 1961-10-24
•
Granted: 1966-06-14
•
Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Dorfel Johannes
- 👤 Holzinger Franz
- 👤 Schmidt Heinz
- 👤 Schmidt Werner
- 👤 Ziemer Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:59
CPC Classifications
C; C25; C25B; C25B15/00; C25B15/06; C25B9/00; C25B9/60; C25B9/65; C25C; C25C7/00; C25C7/06; H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/20; H01H85/00; H01H85/02; H01H85/0241; H01H2085/025; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN AN ELECTROLYTIC CELL HAVING AN ANODE AND A SOURCE OF ELECTRIC CURRENT FOR SAID ANODE, A REUSABLE FUSE FOR MAKING A REFORMABLE CONNECTION OF SAID SOURCE TO SAID ANODE AND AUTOMATICALLY DISCONNECTING SAID SOURCE FROM SAID NODE WHEN THERE IS A SHORT CIRCUIT WHICH COMPRISES A FLEXIBLE CURRENT LEAD CONNECTED TO THE ANODE AT ONE END AND HAVING AT ITS OTHER END A CONDUCTING MEMBER WITH A PLUG PORTION, A SECOND CONDUCTING MEMBER CONNECTED TO THE SOURCE OF ELECTRICAL ENERGY AND HAVING A RECESS ENGAGEABLE BY SAID PLUG, SAID PLUG BEING RETAINED IN SAID RECESS FOR CONDUCTING AN ELECTRICAL CURRENT OF PRESELECTED MAXIMUM INTENSITY FROM SAID SOURCE TO SAID ANODE BY AN ALLOY SOLDER HAVING A PRESELECTED MELTING POINT, SAID ALLOY SOLDER COMPRISING THE SOLE MEANS PHYSICALLY SECURING SAID RECEIVING MEMBER TO SAID PLUG MEMBER, AT LEAST ONE OF SAID PLUG PORTION AND SAID SECOND CONDUCTING MEMBER HAVING A CROSS-SECTIONAL AREA ADJACENT SAID SOLDER SUBSTANTIALLY LESS THAN THE MINIMUM CROSS-SECTIONAL AREA OF SAID FLEXIBLE CURRENT LEAD, AND SPRING MEANS FOR WITHDRAWING THE PLUG FROM THE RECESS UPON MELTING OF THE ALLOY SOLDER.
Claim 2
Dependent Claim
183 words
IN AN ELECTROLYTIC CELL HAVING AN ANODE AND A SOURCE OF ELECTRIC CURRENT FOR SAID ANODE, A REUSABLE FUSE FOR MAKING A REFORMABLE CONNECTION OF SAID SOURCE TO SAID ANODE AND AUTOMATICALLY DISCONNECTING SAID SOURCE FROM SAID NODE WHEN THERE IS A SHORT CIRCUIT WHICH COMPRISES A FLEXIBLE CURRENT LEAD CONNECTED TO THE ANODE AT ONE END AND HAVING AT ITS OTHER END A CONDUCTING MEMBER WITH A PLUG PORTION, A SECOND CONDUCTING MEMBER CONNECTED TO THE SOURCE OF ELECTRICAL ENERGY AND HAVING A RECESS ENGAGEABLE BY SAID PLUG, SAID PLUG BEING RETAINED IN SAID RECESS FOR CONDUCTING AN ELECTRICAL CURRENT OF PRESELECTED MAXIMUM INTENSITY FROM SAID SOURCE TO SAID ANODE BY AN ALLOY SOLDER HAVING A PRESELECTED MELTING POINT, SAID ALLOY SOLDER COMPRISING THE SOLE MEANS PHYSICALLY SECURING SAID RECEIVING MEMBER TO SAID PLUG MEMBER, AT LEAST ONE OF SAID PLUG PORTION AND SAID SECOND CONDUCTING MEMBER HAVING A CROSS-SECTIONAL AREA ADJACENT SAID SOLDER SUBSTANTIALLY LESS THAN THE MINIMUM CROSS-SECTIONAL AREA OF SAID FLEXIBLE CURRENT LEAD, AND SPRING MEANS FOR WITHDRAWING THE PLUG FROM THE RECESS UPON MELTING OF THE ALLOY SOLDER.
References Cited (Backward Citations)
US699647A
Cited
US734894A
Cited
US997924A
Cited
GB389883A
Cited
US2356352A
Cited
US2485076A
Cited
US2826540A
Cited
GB870245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |