US2565137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of deoxidizing metal sheet edge portions
Assignee: Continental Can Co Inc
•
Filing: 1945-07-16
•
Granted: 1951-08-21
•
Expires: 1965-07-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Kronquest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:34
CPC Classifications
C; C23; C23G; C23G3/00; C23G5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF DEOXIDIZING EDGE PORTIONS OF TRAVELLING METALLIC SHEETS SO AS TO PREPARE THEM FOR EFFICIENT SOLDER BONDING WHICH COMPRISES, FEEDING THE SHEETS, FORMING AN EDGE EMBRACING CHAMBER ABOUT SAID EDGE PORTIONS ONLY OF THE TRAVELLING SHEETS, DIRECTING A DEOXIDIZING HYDROGEN CHLORIDE GAS INTO SAID CHAMBER WHILE THE SHEET EDGE PORTIONS ARE TRAVELLING THE THEREGHROUGH, AND CONTINUOUSLY DRAWING AIR FROM THE ATMOSPHERE SURROUNDING SAID EDGE EMBRACING CHAMBER INTO SAID CHAMBER, AND AIR AND THE DEOXIDIZING GAS FROM SAID CHAMBER AND ITS LOCALE THEREBY TO PREVENT FREE PASSAGE OF GAS INTO THE SURROUNDING ATMOSPHERE.
Claim 2
Independent Claim
94 words
THE METHOD OF DEOXIDIZING EDGE PORTIONS OF TRAVELLING METALLIC SHEETS SO AS TO PREPARE THEM FOR EFFICIENT SOLDER BONDING WHICH COMPRISES, FEEDING THE SHEETS, FORMING AN EDGE EMBRACING CHAMBER ABOUT SAID EDGE PORTIONS ONLY OF THE TRAVELLING SHEETS, DIRECTING A DEOXIDIZING HYDROGEN CHLORIDE GAS INTO SAID CHAMBER WHILE THE SHEET EDGE PORTIONS ARE TRAVELLING THE THEREGHROUGH, AND CONTINUOUSLY DRAWING AIR FROM THE ATMOSPHERE SURROUNDING SAID EDGE EMBRACING CHAMBER INTO SAID CHAMBER, AND AIR AND THE DEOXIDIZING GAS FROM SAID CHAMBER AND ITS LOCALE THEREBY TO PREVENT FREE PASSAGE OF GAS INTO THE SURROUNDING ATMOSPHERE.
References Cited (Backward Citations)
US57738A
Cited
US165050A
Cited
US1375663A
Cited
US2055934A
Cited
US2175071A
Cited
US2220124A
Cited
US2326814A
Cited
US2305665A
Cited
US2347527A
Cited
US2288980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |