US2561566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fluxing metal parts in joining them
Assignee: RTX Corp
•
Filing: 1946-06-22
•
Granted: 1951-07-24
•
Expires: 1966-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alden P Edson
- 👤 Isaac L Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:23
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383; B23K35/36; B23K35/3601; B23K35/3603; B23K35/3605
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
89 words
THE PROCESS OF JOINING METAL PARTS BY SOLDER WHICH COMPRISES MAINTAINING A STABLE GASEOUS ATMOSPHERE WHICH IS SUBSTANTIALLY INERT AT SOLDERING TEMPERATURES WITH RESPECT TO THE METALS BEING TREATED, WHICH STABLE GASEOUS ATMOSPHERE HAS AS ITS ACTIVE COMPONENT A COMPOUND GASEOUS AT NORMAL TEMPERATURES AND PRESSURES CONSISTING OF MONOVALENT FLUORINE CONNECTED TO AN ELEMENT HAVING AN ATOMIC WEIGHT GREATER THAN 3, AND CLEANING THE METAL PARTS AND SOLDER BY SUBJECTING THEM TO SAID STABLE GASEOUS ATMOSPHERE AT SOLDERING TEMPERATURE UNTIL THE METAL PARTS HAVE BEEN BONDED BY THE SOLDER.
Claim 2
Dependent Claim
89 words
THE PROCESS OF JOINING METAL PARTS BY SOLDER WHICH COMPRISES MAINTAINING A STABLE GASEOUS ATMOSPHERE WHICH IS SUBSTANTIALLY INERT AT SOLDERING TEMPERATURES WITH RESPECT TO THE METALS BEING TREATED, WHICH STABLE GASEOUS ATMOSPHERE HAS AS ITS ACTIVE COMPONENT A COMPOUND GASEOUS AT NORMAL TEMPERATURES AND PRESSURES CONSISTING OF MONOVALENT FLUORINE CONNECTED TO AN ELEMENT HAVING AN ATOMIC WEIGHT GREATER THAN 3, AND CLEANING THE METAL PARTS AND SOLDER BY SUBJECTING THEM TO SAID STABLE GASEOUS ATMOSPHERE AT SOLDERING TEMPERATURE UNTIL THE METAL PARTS HAVE BEEN BONDED BY THE SOLDER.
Claim 3
Dependent Claim
15 words
A PROCESS AS CLAIMED IN CLAIM 1 IN WHICH THE FLUORINE COMPOUND IS TUNGSTEN HEXAFLUORIDE.
References Cited (Backward Citations)
US1536944A
Cited
US2166109A
Cited
US2157918A
Cited
US2276847A
Cited
US2291399A
Cited
US2438721A
Cited
US2426467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |