Patent US2732339A successfully refreshed from Google Patents.
US2732339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic fused salt cleaning bath
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:29
CPC Classifications
C; C25; C25F; C25F1/00; C25F1/02; C25F1/12; C25F7/00; C25F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
AN ELECTROLYTIC FUSED SALT CLEANING BATH FOR CLEANING A METAL WORK PIECE SUSPENDED IN THE LIQUID OF SAID BATH BY PASSING ELECTRIC CURRENT THERETHROUGH WHILE MAINTAINING THE WORK PIECE FOR AT LEAST ABOUT ONE HALF OF THE ELECTROLYTIC TREATMENT PERIOD AS A CATHODE, COMPRISING AN OPEN TOP CONTAINER FORMING A CELL, TWO BUS BARS MOUNTED SUBSTANTIALLY PARALLEL ALONG OPPOSITE UPPER EDGES OF SAID CONTAINER, A PAIR OF V-SHAPED METALLIC STIRRUP MEMBERS DISPOSED A SUBSTANTIAL DISTANCE FROM EACH OTHER HAVING EACH OF THEIR ARMS REMOVABLY BUT FIRMLY FASTENED TO AN OPPOSITE BUS BAR IN CURRENT CONDUCTIVE SUPPORT WITH THE CROTCHES OF THE SAID V MEMBERS DEPENDING A SUBSTANTIAL DISTANCE DOWNWARD INTO THE CONTAINER AS SUPPORTING MEMBERS FOR OBJECTS POSITIONABLE BELOW THE UPPER SURFACE LEVEL OF BATH LIQUID IN SAID CONTAINER, A BASKET OF FORAMINOUS METAL COMPRISING A WORK HOLDER WITHIN WHICH THE WORK PIECES MAY BE DISPOSED, SAID BASKET HAVING A PAIR OF HORIZONTAL SUPPORTING LUGS EACH LATERALLY EXTENDING FROM AN OPPOSITE END THEREOF, EACH POSITIONED TO BE ENGAGED WITHIN A DEPENDING CROTCH OF ONE OF THE V-SHAPED STIRRUPS FOR GRAVITATIONAL SUPPORT AND TEMPORARY ELECTROCONDUCTIVE CONTACT THEREWITH, WHEREBY THE FORAMINUOUS BASKET IS SUPPORTED THROUGH SAID LUGS BETWEEN THE PAIR OF V-SHAPED STIRRUPS GRAVITATIONALLY WITHOUT FURTHER FASTENING WHILE BEING DISPOSED COMPLETELY IMMERSED WITHIN THE LIQUID OF SAID BATH.
Claim 2
Dependent Claim
216 words
AN ELECTROLYTIC FUSED SALT CLEANING BATH FOR CLEANING A METAL WORK PIECE SUSPENDED IN THE LIQUID OF SAID BATH BY PASSING ELECTRIC CURRENT THERETHROUGH WHILE MAINTAINING THE WORK PIECE FOR AT LEAST ABOUT ONE HALF OF THE ELECTROLYTIC TREATMENT PERIOD AS A CATHODE, COMPRISING AN OPEN TOP CONTAINER FORMING A CELL, TWO BUS BARS MOUNTED SUBSTANTIALLY PARALLEL ALONG OPPOSITE UPPER EDGES OF SAID CONTAINER, A PAIR OF V-SHAPED METALLIC STIRRUP MEMBERS DISPOSED A SUBSTANTIAL DISTANCE FROM EACH OTHER HAVING EACH OF THEIR ARMS REMOVABLY BUT FIRMLY FASTENED TO AN OPPOSITE BUS BAR IN CURRENT CONDUCTIVE SUPPORT WITH THE CROTCHES OF THE SAID V MEMBERS DEPENDING A SUBSTANTIAL DISTANCE DOWNWARD INTO THE CONTAINER AS SUPPORTING MEMBERS FOR OBJECTS POSITIONABLE BELOW THE UPPER SURFACE LEVEL OF BATH LIQUID IN SAID CONTAINER, A BASKET OF FORAMINOUS METAL COMPRISING A WORK HOLDER WITHIN WHICH THE WORK PIECES MAY BE DISPOSED, SAID BASKET HAVING A PAIR OF HORIZONTAL SUPPORTING LUGS EACH LATERALLY EXTENDING FROM AN OPPOSITE END THEREOF, EACH POSITIONED TO BE ENGAGED WITHIN A DEPENDING CROTCH OF ONE OF THE V-SHAPED STIRRUPS FOR GRAVITATIONAL SUPPORT AND TEMPORARY ELECTROCONDUCTIVE CONTACT THEREWITH, WHEREBY THE FORAMINUOUS BASKET IS SUPPORTED THROUGH SAID LUGS BETWEEN THE PAIR OF V-SHAPED STIRRUPS GRAVITATIONALLY WITHOUT FURTHER FASTENING WHILE BEING DISPOSED COMPLETELY IMMERSED WITHIN THE LIQUID OF SAID BATH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |