US2585819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of joining metal parts
Assignee: RTX Corp
•
Filing: 1946-06-22
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Granted: 1952-02-12
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Expires: 1966-06-22
Abstract
No abstract record available.
Inventors
- 👤 Earl K Moore
- 👤 Alden P Edson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:46
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 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, THE ACTIVE COMPONENT OF THE STABLE GASEOUS ATMOSPHERE CONSISTING OF HYDROGEN FLUORIDE, AND CLEANING THE METAL PARTS AND SOLDER BY SUBJECTING THEM TO SAID STABLE GASEOUS ATMOSPHERE AT SOLDERING TEMPERATURES UNTIL THE METAL PARTS HAVE BEEN BONDED BY SOLDER.
Claim 2
Dependent Claim
68 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, THE ACTIVE COMPONENT OF THE STABLE GASEOUS ATMOSPHERE CONSISTING OF HYDROGEN FLUORIDE, AND CLEANING THE METAL PARTS AND SOLDER BY SUBJECTING THEM TO SAID STABLE GASEOUS ATMOSPHERE AT SOLDERING TEMPERATURES UNTIL THE METAL PARTS HAVE BEEN BONDED BY SOLDER.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |