US2872309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manganese-nickel base brazing alloys
Assignee: Individual
•
Filing: 1956-07-24
•
Granted: 1959-02-03
•
Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Bolkcom
- 👤 William E Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:38
CPC Classifications
C; C22; C22C; C22C19/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3026; C22C28/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A BRAZING ALLOY COMPRISING ABOUT 25% TO 60% MANGANESE, ABOUT 5% TO 65% NICKEL, ABOUT 10% TO 30% RARE EARTH METALS AND AN EFFECTIVE AMOUNT TO PROMOTE FLUXING UP TP ABOUT 18% OF ONE OF THE GROUP ZIRCONIUM, HAFNIUM AND TITANIUM, THE BALANCE BEING USUAL IMPURITIES IN ORDINARY AMOUNTS.
Claim 2
Dependent Claim
49 words
A BRAZING ALLOY COMPRISING ABOUT 25% TO 60% MANGANESE, ABOUT 5% TO 65% NICKEL, ABOUT 10% TO 30% RARE EARTH METALS AND AN EFFECTIVE AMOUNT TO PROMOTE FLUXING UP TP ABOUT 18% OF ONE OF THE GROUP ZIRCONIUM, HAFNIUM AND TITANIUM, THE BALANCE BEING USUAL IMPURITIES IN ORDINARY AMOUNTS.
References Cited (Backward Citations)
GB579643A
Cited
US2642358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |