US2987778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metal strip from metal powders
Assignee: Huntington Alloys Corp
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Filing: 1957-07-30
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Granted: 1961-06-13
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Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Worn David Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR PRODUCING GREEN COMPACTED METAL STRIP SUBSTANTIALLY FREE FROM LAMINAR CRACKS FROM METAL POWDER HAVING A LOW BULK DENSITY BY HIGH SPEED ROLLING WHICH COMPRISES DISPLACING AIR ENTRAINED WITH SAID METAL POWDER BY A GAS INERT TO SAID METAL POWDER HAVING A VISCOSITY LESS THAN ABOUT 150X10-6 POISE AND ROLLING SAID
Claim 2
Dependent Claim
53 words
A PROCESS FOR PRODUCING GREEN COMPACTED METAL STRIP SUBSTANTIALLY FREE FROM LAMINAR CRACKS FROM METAL POWDER HAVING A LOW BULK DENSITY BY HIGH SPEED ROLLING WHICH COMPRISES DISPLACING AIR ENTRAINED WITH SAID METAL POWDER BY A GAS INERT TO SAID METAL POWDER HAVING A VISCOSITY LESS THAN ABOUT 150X10-6 POISE AND ROLLING SAID
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) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |