US2666725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing flux
Assignee: Handy and Harman
•
Filing: 1951-11-30
•
Granted: 1954-01-19
•
Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ernest S Chamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:26
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A FLUX FOR USE IN THE SILVER ALLOY BRAZING OF TITANIUM AND RELATED METALS, WHICH CONSISTS ESSENTIALLY OF LIF,KCI, AND KHF2 PRESENT IN THE SAME WEIGHT PROPORTIONS AS IN THE COMPOSITIONS LYING APPROXIMATELY WITHIN THE AREA DEFINED IN THE ACCOMPANYING DRAWING BY THE LINE A.
Claim 2
Dependent Claim
45 words
A FLUX FOR USE IN THE SILVER ALLOY BRAZING OF TITANIUM AND RELATED METALS, WHICH CONSISTS ESSENTIALLY OF LIF,KCI, AND KHF2 PRESENT IN THE SAME WEIGHT PROPORTIONS AS IN THE COMPOSITIONS LYING APPROXIMATELY WITHIN THE AREA DEFINED IN THE ACCOMPANYING DRAWING BY THE LINE A.
References Cited (Backward Citations)
US2243424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |