US2880086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low melting point nickel-iron alloys
Assignee: Coast Metals Inc
•
Filing: 1957-03-06
•
Granted: 1959-03-31
•
Expires: 1977-03-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:29
CPC Classifications
C; C22; C22C; C22C19/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A NICKLE-IRON ALLOY CONTAINING 51 TO 85% NICKLE, UP TO 10% CHROMIUM UP TO 10% MANGANESE, 1 TO 5% BORON .25 TO 5% SILICON, 0 TO 3% PHOSPHORUS, AND IRON IN AN AMOUNT SUFFICIENT TO BRING THE MELTING POINT OF THE ALLOY DOWN TO WITHIN THE RANGE OF ABOUT 1700* F. TO ABOUT 1850* F. THE IRON BEING NOT LESS THAN 6% AND NOT MORE THAN 40% OF THE WEIGHT OF THE ALLOY.
Claim 2
Dependent Claim
73 words
A NICKLE-IRON ALLOY CONTAINING 51 TO 85% NICKLE, UP TO 10% CHROMIUM UP TO 10% MANGANESE, 1 TO 5% BORON .25 TO 5% SILICON, 0 TO 3% PHOSPHORUS, AND IRON IN AN AMOUNT SUFFICIENT TO BRING THE MELTING POINT OF THE ALLOY DOWN TO WITHIN THE RANGE OF ABOUT 1700* F. TO ABOUT 1850* F. THE IRON BEING NOT LESS THAN 6% AND NOT MORE THAN 40% OF THE WEIGHT OF THE ALLOY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |