US3254995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy metal alloys
Assignee: Powder Alloys Corp
•
Filing: 1962-04-13
•
Granted: 1966-06-07
•
Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Glenn B Goodfellow
- 👤 Jerome F Kuzmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A MACHINED BODY OF A HIGH DENSITY ALLOY AT LEAST ONE-EIGHTH INCH THICK, CONSISTING ESSENTIALLY OF TUNGSTEN, NICKEL AND IRON, WHEREIN THE TUNGSTEN IS PRESENT BETWEEN ABOUT 80 AND 99.9%, AND THE IRON IS AT LEAST SUBSTANTIALLY EQUAL TO THE NICKEL, AND THE IRON-NICKEL RATIO IS LESS THAN ABOUT 7:3, SAID PERCENTAGES AND RATIOS BEING BY WEIGHT.
Claim 2
Dependent Claim
57 words
A MACHINED BODY OF A HIGH DENSITY ALLOY AT LEAST ONE-EIGHTH INCH THICK, CONSISTING ESSENTIALLY OF TUNGSTEN, NICKEL AND IRON, WHEREIN THE TUNGSTEN IS PRESENT BETWEEN ABOUT 80 AND 99.9%, AND THE IRON IS AT LEAST SUBSTANTIALLY EQUAL TO THE NICKEL, AND THE IRON-NICKEL RATIO IS LESS THAN ABOUT 7:3, SAID PERCENTAGES AND RATIOS BEING BY WEIGHT.
References Cited (Backward Citations)
US1110303A
Cited
US2793951A
Cited
US2920958A
Cited
US2894836A
Cited
US3085006A
Cited
US3080229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |